Overview Features

When the J Bass® neck was introduced in 1960 it featured a thinner nut width and slimmer profile than its predecessor the P Bass®. Since that time its quick, easy playability has made it the world's most popular bass neck. Now Warmoth's vast range of options lets you create a J Bass® replacement neck uniquely your own. Select tonewoods, frets, finish, and more for a boutique-quality neck that looks, plays, and sounds exactly the way you want.

  • Standard 2-1/2" (64mm) heel fits all P and J style neck pockets.
  • Pre-drilled mounting holes make installation easy.
  • Slim 1-1/2" (38mm) nut width for quick, easy fretting.
  • Your choice of fret size and material, or fretless.
  • Your choice of tuner routs.
  • Double-expanding truss rod and steel stiffening bars for great stability.
  • Warmoth quality workmanship throughout.
Related Fender Style Bass Neck Products

What Customers Are Saying

"I've played Warmoth bass guitars on KA by Cirque du Soleil for the last 8 1/2 years. My fretted bass has a rosewood neck and a macaser (hope I spelled that right) fingerboard. Just put a new Wenge neck with an ebony fingerboard on my fretless last month. Been playing the fretless for 19 years. Great basses! Thanks Warmoth. "

- Derek Jones (Cirque du Soleil)

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J Bass® Replacement Necks

Overview & Features

Ways To Buy

Use the Warmoth Builder to design a body or neck just the way you want it. View every option we offer and spec your build down to the last detail.

The Builder guides you step-by-step and makes customizing your guitar or bass parts easy.

Build Custom build your own
J Bass® Neck

The Warmoth Showcase lets you view photos and buy from our current selection of bodies and necks. We stock a large range of options so there

is a good chance what you’re looking for is already there. It’s the quickest and cheapest way to get the parts you need.

Browse IN STOCK
J Bass® Necks

Features

Popular

Indicates popular items or options.

Standard

Indicates standard items or options.

Boutique

Indicates options with boutique appeal.

Vintage

Indicates options with vintage appeal or specs.

Light Weight

Indicates light weight items or options.

Hot Rod

Indicates options with hot-rod appeal.

Will It Fit?

When customizing a bolt-on instrument a proper fit between body and neck is essential. This section contains the information you need to be confident your parts will be compatible.

More Information

Neck Dimensions

The bolt-on electric bass neck was pioneered by Fender® in the 1960's. Today Fender® and many other manufacturers still use Fender's® original neck and neck-pocket dimensions. They are not universal, however. Even among Fender® products neck/body mismatches are possible if care is not taken. Accurate measurement is the only way to ensure compatibility of parts.

All Warmoth parts are built to USA Fender's® original/vintage neck-heel and neck-pocket dimensions, except when noted. The critical dimensions for J Bass® necks are shown below:

Warmoth Neck Pockets

J Bass® and P Bass® neck heels and neck pockets share the same dimensions and are interchangeable.

Bass Neck Pocket

Will It Fit My Body?

A J Bass® replacement neck installed in a J Bass® or P Bass® neck pocket results in a good fit.

Known Incompatibilities

These Fender® bass models are non-standard and are NOT compatible with Warmoth replacement bodies and necks.

  • P Bass® Deluxe – 22 fret neck
  • J Bass® Deluxe – 22 fret neck
  • P Bass® Special – 22 fret neck
  • P Bass® Lyte – 22 fret neck
  • Vintage P Bass® necks & reissues with squared heels

These brands are generally not compatible with Warmoth replacement bodies and necks:

  • Ernie Ball Music Man®
  • G & L®

Neck Construction

The Warmoth J Bass® replacement neck is extremely stable and built with the following constructions:

  • Super Bass Construction
More Information

Super Bass Construction

Warmoth's Super Bass necks are the most playable, stable bass replacement necks available. They represent the culmination of over 3 decades of research and refinement. Each neck includes:

  • A Double-expanding truss rod so stable it almost never needs adjusting.
  • Two 1/4" x 1/8" steel stiffening rods that add stability and mass for long sustain and no dead spots.
  • A 1/4" solid fingerboard slab.

The Double-Expanding Truss Rod

At the heart of every Super Bass neck is Warmoth's double-expanding truss rod. It is installed in a flat slot directly under the fingerboard and consists of two long shafts which are welded together at the headstock end of the neck. At the other end a tube is welded to the top shaft. The bottom shaft passes through the tube and ends with a threaded adjustment nut that is accessible through an opening at the heel.

As the adjustment nut is tightened it draws the bottom shaft outward and pushes inward on the tube attached to the top shaft. This pressure forces the rod upwards in the middle and downwards at the ends. As the adjustment nut is loosened the neck relaxes back towards its neutral position.

  • Adjusts with a 7/32" allen wrench (not a screwdriver) for precise control and no scarring.
  • Inward pressure is absorbed by the rod - not the neck wood - preventing neck distortion.

Stiffening Rods

Standard Steel Rods

Steel Stiffening Rods

Steel stiffening rods are standard in Super Bass construction necks, and help to make the neck extremely stable. One rod is installed on each side of the truss rod.

  • Increased mass contributes to long sustain
  • Clean and clear notes
  • Even frequency response

Optional - Graphite Rods

Graphite Stiffening Rods

Graphite stiffening rods are optional in Super Bass necks. They weigh less than steel and contribute to a warmer tone. Warmoth uses taller rods than normal to achieve steel-like rigidity. Shallow slots are cut on the underside of the fingerboard to accomodate their extra height.

  • As stiff as steel rods, with less weight
  • Warm frequency response similar to a vintage neck
add $60

Fingerboard Slab

J Bass® necks use a standard 1/4” fingerboard slab, and are the standard 1” thickness at the heel.

Scale Length

Scale length is the distance between the nut and the saddle, or the active string length. Because of variations in string length due to intonation, scale length is often calculated by doubling the distance from the nut to the twelfth fret. Scale length for the J Bass® replacement neck is:

    • 34"
    More Information

    34" Scale Length

    • The standard scale length for bass, established by Fender® in the 1960's.
    • Comfortable, familiar feel and fret spacing.
    J Bass Neck Dimensions

    Neck Woods

    Neck wood effects feel, tone, weight, and balance. Wood options for this neck include:

    • Bubinga
    • Goncalo Alves
    • Bloodwood
    • Indian Rosewood
    • 3A Flame Maple
    • Padouk
    • Purpleheart
    • Wenge
    • Maple
    • Roasted Maple
    • Birdseye Maple
    • 3A Birdseye Maple
    • Flame Maple
    More Information

    Maple

    Appearance: White, with light grain patterns.

    Tone: Bright, with a good bite and nice sustain.

    Weight: Medium

    Finish: Required. Dense, closed grain is easy to finish.

    Feel: Hard, smooth, and fast.

    This is the Fender® Company’s traditional neck wood, and also a very popular fingerboard wood. Most often flatsawn, but also available quartersawn upon request.

    Tone-O-Meter™

    $180.00

    Roasted Maple

    Appearance: Caramel with darker grain patterns.

    Tone: Bright, with a good bite and nice sustain.

    Weight: Medium

    Finish: No finish is required.

    Feel: Hard, smooth, and fast.

    Roasted Maple is maple that has been heat treated to remove sugars, moisture, and other impurities that can affect its stability. The result is a neck that is slightly lighter than normal and extremely stable.

    Tone-O-Meter™

    $220.00

    Birdseye Maple

    Appearance: White, with small circular grain patterns.

    Tone: Bright, with a good bite and attack that isn’t brittle.

    Weight: Medium

    Finish: Required. Dense, closed grain is easy to finish. Looks great with clear gloss.

    Feel: Hard, smooth, and fast.

    Birdseye is a type of figure found in hard maple. It shows best in flat sawn wood. The distinctive “eye” figuring varies widely in size and shape.

    Tone-O-Meter™

    $216.00

    3A Birdseye Maple

    Appearance: White, with small circular grain patterns.

    Tone: Bright, with a good bite and attack that isn’t brittle.

    Weight: Medium

    Finish: Required. Dense, closed grain is easy to finish. Looks great with clear gloss.

    Feel: Hard, smooth, and fast.

    Birdseye is a type of figure found in hard maple. Birdseye blanks with a "AAA"designation are unusually highly figured and extremely beautiful.

    Tone-O-Meter™

    $380.00

    Flame Maple

    Appearance: White, with distinctive striped grain patterns.

    Tone: Bright, with a good bite and attack that isn’t brittle.

    Weight: Medium

    Finish: Required. Dense, closed grain is easy to finish. Looks best with clear gloss.

    Feel: Hard, smooth, and fast.

    While there are several maple species that show the flame figure, the only one hard enough for making necks is Acer saccharum. A different species of Flame Maple is used for body laminate tops.

    Tone-O-Meter™

    $260.00

    3A Flame Maple

    Appearance: White, with especially vivid striped grain patterns.

    Tone: Bright, with a good bite and attack that isn’t brittle.

    Weight: Medium

    Finish: Required. Dense, closed grain is easy to finish. Looks best with clear gloss.

    Feel: Hard, smooth, and fast.

    While there are several maple species that show the flame figure, the only one hard enough for making necks is Acer saccharum. Blanks with a "AAA"designation are unusually highly figured and extremely beautiful.

    Tone-O-Meter™

    $380.00

    Padouk

    Appearance: Bright vivid red, which oxidizes to a warm brown with use.

    Tone: Well balanced and tight - similar to Maple.

    Weight: Medium

    Finish: No finish is required.

    Feel: Waxy and textured, but not as coarse as Wenge.

    Padouk is a great choice for those wanting the sound of Maple, but the feel of an unfinished neck and a more exotic look.

    Tone-O-Meter™

    $260.00

    Purpleheart

    Appearance: A deep eggplant purple that wears towards purplish-brown.

    Tone: Thick, well-defined bottom with great sustain.

    Weight: Medium

    Finish: No finish required.

    Feel: Slightly satiny in texture.

    A good option for those wanting the tone of Bubinga but a more exotic color or a slightly softer feel.

    Tone-O-Meter™

    $260.00

    Wenge

    Appearance: Chocolate brown with black stripes and a straight, coarse grain.

    Tone: Strong midrange with warm lows.

    Weight: Medium

    Finish: No finish is required.

    Feel: Coarse, but with less finger drag than some tighter-grained woods.

    Favored by both bassists and guitarists for its punchy midrange. Works well with an ebony fingerboard for added highs or Brazilian Rosewood for a nice rounded upper tone.

    Tone-O-Meter™

    $260.00

    Bubinga

    Appearance: A straight, fine grain that is reddish, with darker streaks.

    Tone: Bright midrange and a thick, well defined bottom.

    Weight: Heavy

    Finish: No finish is required.

    Feel: Hard and smooth, similar to Maple.

    Bubinga is a very stiff, strong, and stable wood long used by Rickenbacker for fingerboards.

    Tone-O-Meter™

    $260.00

    Goncalo Alves

    Appearance: Tan with dark brown stripes.

    Tone: Articulate, clean, and warm.

    Weight: Heavy

    Finish: No finish is required.

    Feel: Dense, woody texture and slightly waxy.

    Goncalo Alves is valued for its overall well balanced tone and great looks. Primarily used as a neck wood, it mates well with Pau Ferro or Ebony fingerboards.

    Tone-O-Meter™

    $260.00

    Bloodwood

    Appearance: Dark red with a very tight grain pattern.

    Tone: Brilliant highs with extended sustain.

    Weight: Heavy

    Finish: No finish required.

    Feel: Hard and smooth like Maple or Bubinga, but just a bit waxy.

    A very dense, hard, tropical wood almost like Ebony.

    Tone-O-Meter™

    $260.00

    Indian Rosewood

    Appearance: Deep shades of brown, with a rich, thick grain.

    Tone: Big and warm, with a smooth high end roll off.

    Weight: Heavy

    Finish: Not required.

    Feel: Smooth and lightly waxy. Not as smooth or hard as Ebony.

    The most popular fingerboard wood, favored for its warm tone, beautiful look, and buttery feel. Rosewood can also sometimes contain hues of purple, yellow, orange, or green.

    Tone-O-Meter™

    $360.00

    Fingerboard Wood Choices

    Warmoth offers a wide range of Fingerboard wood for the look and feel you desire. Options include:

    • Ebony
    • Ziricote
    • Matching Maple
    • Wenge
    • Purpleheart
    • Bloodwood
    • Indian Rosewood
    • Pau Ferro
    • Bubinga
    • Goncalo Alves
    More Information

    Matching Maple Fingerboard

    Maple

    Appearance: White, with light grain patterns.

    Feel: Hard, smooth, and fast.

    This is the Fender® Company’s traditional neck wood, and also a very popular fingerboard wood. Most often flatsawn, but also available quartersawn upon request.

    $0.00

    Birdseye Maple

    Appearance: White, with small circular grain patterns.

    Feel: Hard, smooth, and fast.

    Birdseye is a type of figure found in hard maple. It shows best in flat sawn wood. The distinctive “eye” figuring varies widely in size and shape.

    $0.00

    3A Birdseye Maple

    Appearance: White, with small circular grain patterns.

    Feel: Hard, smooth, and fast.

    Birdseye is a type of figure found in hard maple. Birdseye blanks with a "AAA"designation are unusually highly figured and extremely beautiful.

    $0.00

    Flame Maple

    Appearance: White, with distinctive striped grain patterns.

    Feel: Hard, smooth, and fast.

    While there are several maple species that show the flame figure, the only one hard enough for making necks is Acer saccharum. A different species of Flame Maple is used for body laminate tops.

    $0.00

    3A Flame Maple

    Appearance: White, with especially vivid striped grain patterns.

    Feel: Hard, smooth, and fast.

    While there are several maple species that show the flame figure, the only one hard enough for making necks is Acer saccharum. Blanks with a "AAA"designation are unusually highly figured and extremely beautiful.

    $0.00

    Compatibility Information: When ordering a matching Maple Fingerboard you may only select the same variety and grade of wood as your Neck Wood selection.

    Indian Rosewood

    Appearance: Deep shades of brown, with a rich, thick grain.

    Feel: Smooth and lightly waxy. Not as smooth or hard as Ebony.

    The most popular fingerboard wood, favored for its warm tone, beautiful look, and buttery feel. Rosewood can also sometimes contain hues of purple, yellow, orange, or green.

    $0.00

    Pau Ferro

    Appearance: Light tan to a dark coffee, usually with darker figuring.

    Feel: Fast and smooth, similar to Maple.

    Pau Ferro’s feel, tone, and extreme durability make it the favored fingerboard wood for many guitarists, most notably Stevie Ray Vaughn. Also an excellent choice for fretless fingerboards.

    $20.00

    Bubinga

    Appearance: A straight, fine grain that is reddish, with darker streaks.

    Feel: Hard and smooth, similar to Maple.

    Bubinga is a very stiff, strong, and stable wood long used by Rickenbacker for fingerboards.

    $35.00

    Goncalo Alves

    Appearance: Tan with dark brown stripes.

    Feel: Dense, woody texture and slightly waxy.

    Goncalo Alves is valued for its overall well balanced tone and great looks. Primarily used as a neck wood, it mates well with Pau Ferro or Ebony fingerboards.

    $35.00

    Wenge

    Appearance: Chocolate brown with black stripes and a straight, coarse grain.

    Feel: Coarse, but with less finger drag than some tighter-grained woods.

    Favored by both bassists and guitarists for its punchy midrange. Works well with an ebony fingerboard for added highs or Brazilian Rosewood for a nice rounded upper tone.

    $35.00

    Purpleheart

    Appearance: A deep eggplant purple that wears towards purplish-brown.

    Feel: Slightly satiny in texture.

    A good option for those wanting the tone of Bubinga but a more exotic color or a slightly softer feel.

    $35.00

    Bloodwood

    Appearance: Dark red with a very tight grain pattern.

    Feel: Hard and smooth like Maple or Bubinga, but just a bit waxy.

    A very dense, hard, tropical wood almost like Ebony.

    $35.00

    Ebony

    Appearance: Black, often with chocolate brown or dark gray streaks.

    Feel: Very hard, smooth, and fast.

    Ebony has a long history as a preferred fingerboard wood. An excellent choice for fretless necks.

    $45.00

    Ziricote

    Appearance: Dark gray to brown to black, with gorgeous striping or “spider web” grain patterns.

    Feel: Hard and smooth, similar to Ebony with a bit more texture.

    This wood is similar to ebony in weight and density, while the tone is often compared to Brazilian Rosewood. Limited availability.

    $65.00

    Unique Choice Fingerboards

    Browse our current stock of exotic and high grade Fingerboard blanks and reserve one for your instrument. Each is beautifully figured and inherently unique, offering you the chance to create a one-of-a-kind bass that is as satisfying to look at as it is to play.

      Unique Choice Fingerboards are availble. Please call us for details.

      Neck Back Contours

      "Neck Contour" refers to the grip shape and thickness of the back of a neck, both of which play a big role in hand comfort and ease of fretting. Neck Contour options for this neck include:

      Standard Contours

      • Standard

      Custom Contours

      • Slim Taper
      More Information

      Standard Contours

      Standard

      • Average thickness at 1st fret: .872" (22mm)
      • Average thickness at 12th fret: .975" (25mm)

      Our Standard Contour is a time-tested neck back shape for 4-string bass that feels comfortable and fast to most players.

      Standard Contour

      Custom Contours

      Slim Taper

      • Average thickness at 1st fret: .790" (20mm)
      • Average thickness at 12th fret: .920" (23mm)

      The Slim Taper Contour is thinner than our Standard Contour and more similar to early J Bass® necks. It is available on bass necks with 1-1/2" or 1-11/16" nut widths only.

      Slim Taper Contour
      Add $35.00

      Nut Width

      The width of the neck at the nut effects string spacing and playability along the entire neck. Nut Width options include:

        • 1-1/2" (38mm)
        More Information

        1-1/2" (38mm) Nut Width

        • Narrow nut width for quick, comfortable playing
        • Vintage Fender® spec, standard for the 4-string J Bass®
        • Most popular bass nut width
        J Bass® Nut Width

        String Nut

        A properly cut nut improves tuning stability and action along the entire neck. Our necks ship standard without a nut, but for a small charge we will supply, install, and cut your nut for you, ensuring your guitar will play its best. The following materials are available:

        • Black Corian - Standard Nut
        • White Corian - Standard Nut
        • GraphTech Black TUSQ XL - Standard Nut
        • GraphTech White TUSQ XL - Standard Nut
        More Information

        Precut & Installed Nuts

        We have built a system for precision cutting nuts to fit our necks. The cutting and shaping is done by a bench top CNC mill. Every nut is custom cut to the specific neck dimensions with the result being a nearly perfect nut, compensated for fret height, nut width, fingerboard radius, etc. Nuts must be ordered at the same time as the neck to ensure compatibility.

        Bass nuts are cut to accommodate standard guage string sets:

        • 4-string guage set size .105-.045
        GraphTech Black TUSQ XL - Standard Nut
        Precut & Installed $30

        GraphTech Black TUSQ XL - Standard Nut

        Characteristics: Extremely low friction - improves tuning stability.

        Tone: More harmonically rich than bone, with longer sustain.

        Workability: Cuts and shapes easily.

        TUSQ XL nuts have better consistency than bone, with no soft spots to create uneven response from string to string. They are also impregnated with Teflon, which is 500% more slippery than graphite.

        GraphTech White TUSQ XL - Standard Nut
        Precut & Installed $30

        GraphTech White TUSQ XL - Standard Nut

        Characteristics: Extremely low friction - improves tuning stability.

        Tone: More harmonically rich than bone, with longer sustain.

        Workability: Cuts and shapes easily.

        TUSQ XL nuts have better consistency than bone, with no soft spots to create uneven response from string to string. They are also impregnated with Teflon, which is 500% more slippery than graphite.

        Black Corian - Standard Nut
        Precut & Installed $25

        Black Corian - Standard Nut

        Characteristics: Hard synthetic material.

        Tone: Balanced, clear, and even.

        Workability: Cuts slowly but evenly.

        White Corian - Standard Nut
        Precut & Installed $25

        White Corian - Standard Nut

        Characteristics: Hard synthetic material.

        Tone: Balanced, clear, and even.

        Workability: Cuts slowly but evenly.

        Inlay & Side Dots Options

        Fingerboard markers are available in a range of materials and styles. Cream face dots and white side dots are standard on dark fingerboards. Black face dots and side dots are standard on Maple. Inlay options for this neck include:

        • Blocks
        • Dots
        More Information

        Start with an image selection of fingerboard wood, fret material, and binding. Choose an inlay shape and inlay material overlay. Mix and match for ideas to customize your guitar neck order. Pricing shown below will reflect options selected.

        Inlay Material Description

        Price

        $25.00

        Image Selections

        Fingerboard Wood

        Fret Material

        Binding

        Inlay Shape

        Inlay Material

        Side Dots

        White Side Dots

        $0.00

        No Side Dots

        $0.00

        Mother Of Pearl Side Dots

        $25.00

        Black Side Dots

        $0.00

        Abalone Side Dots

        $25.00

        Fret & Fretless Choices

        Warmoth offers frets in a range of shapes and materials to suit any preference or playing style. Dunlop fret numbers are for general reference. Actual fret dimensions will vary somewhat from batch to batch. Options include:

        Fret Materials

        • Nickel/Silver
        • Stainless Steel
        • Gold Color

        Fret Sizes

        • 6100
        • 6105
        • 6130
        • 6150
        • 6230

        Fretless Options

        • Fretless
        • Lined Fretless
        More Information

        Nickel/Silver

        Our fret wire is drawn from the finest 18% hard nickel/silver for long life with steel strings. Despite the name "nickel/silver," this wire contains no silver at all. Its ingredients are brass and nickel. Rated at HV 170 (+/-20) on the Vickers hardness scale.

        6105

        .095" X .045"

        $0.00

        Feel: Narrow and tall.

        Uses: A very popular fret wire that facilitates lead and rhythm playing.

        6150

        .103" X .046"

        $0.00

        Feel: The standard "Jumbo", with a smooth, fast feel.

        Uses: Modern Fender® American necks. Our most popular wire on both guitar and bass necks. Suits all playing styles.

        6100

        .118" X .058"

        $0.00

        Feel: Very tall and wide; almost scalloped in feel.

        Uses: Common on Ibanez® necks. Great for lead playing, tapping, and “shredding”.

        6130

        .106" X .036"

        $0.00

        Feel: Low and wide, also known as "Medium Jumbo".

        Uses: Many Gibson® necks. Great for rhythm playing. Popular with bassists who prefer a feel closer to fretless.

        6230

        .080" X .037"

        $0.00

        Feel: Low and narrow. The smallest fret wire we use.

        Uses: Vintage Fender® necks, great for chord comping and rhythm playing.

        Stainless Steel

        Stainless Steel frets are a great choice for those who use round-wound strings - notoriously hard on frets. Stainless Steel is both harder and smoother than nickel/silver fretwire, offering superior longevity and a quick, glassy feel with negligible effect on tone. Our top-quality, German-made Jescar fretwire is rated at HV 300 (+/-20) on the Vickers hardness scale.

        SS6105

        .095" X .047"

        $20.00

        Feel: Narrow and tall.

        Uses: A very popular fret wire that facilitates lead and rhythm playing.

        SS6150

        .104" X .047"

        $20.00

        Feel: The standard "Jumbo", with a smooth, fast feel.

        Uses: Modern Fender® American necks. Our most popular wire on both guitar and bass necks. Suits all playing styles.

        SS6100

        .110" X .057"

        $20.00

        Feel: Very tall and wide; almost scalloped in feel.

        Uses: Common on Ibanez® necks. Great for lead playing, tapping, and “shredding”.

        SS6115

        .108" X .051"

        $20.00

        Feel: A "jumbo" height with a smooth, precise feel.

        Uses: The narrower top facilitates bending and sliding, and promotes precise intonation.

        SS6230

        .080" X .043"

        $20.00

        Feel: Low and narrow. The smallest fret wire we use.

        Uses: Vintage Fender® necks, great for chord comping and rhythm playing.

        Gold/EVO Hypo-Allergenic

        Our beautiful gold fretwire is a nickel-free copper alloy similar in color to 12k gold. This top-quality, German-made Jescar EVO wire is solid throughout and will never turn brassy or look worn. It is almost as hard as stainless steel and polishes up nicely for a super-fast, glass-like feel. It is also hypo-allergenic for those who have allergies to nickel. Rated at HV 250 (+/-20) on the Vickers hardness scale.

        GD6100

        .110" X .057"

        $30.00

        Feel: Very tall and wide; almost scalloped in feel.

        Uses: Common on Ibanez® necks. Great for lead playing, tapping, and “shredding”.

        GD6150

        .104" X .047"

        $30.00

        Feel: The standard "Jumbo", with a smooth, fast feel.

        Uses: Modern Fender® American necks. Our most popular wire on both guitar and bass necks. Suits all playing styles.

        Fretless Options

        Fretless

        $0.00

        Feel: Perfectly smooth.

        Uses: For players who prefer the rounder sound and smoother feel of no frets.

        Lined Fretless

        $85.00

        Feel: Perfectly smooth.

        Uses: Convenient for players who want the fretless sound but are more accustomed to playing fretted necks.

        Binding Options

        Binding is a thin strip of material applied to the edge of a fingerboard to add definition and contrast. It lends a high-end appearance to any combination of woods and finishes. Binding material options include:

        • Cream
        • Black
        • White
        • Pearloid
        • Ivoroid
        More Information

        Binding and Fret Ends

        Our fingerboard binding is installed before the frets. The fret ends then extend over it to the edge of the fingerboard. Laying the binding under the frets, rather than on the outside, results in a wider, smoother playing surface. It also makes fret maintenance easier and less expensive.

        Colors/Materials

        White

        White

        $110
        Pearloid

        Pearloid

        $110
        Ivoroid

        Ivoroid

        $110
        Cream

        Cream

        $110
        Black

        Black

        $110
        Compatibility
        Information

        Mounting Holes

        Mounting hole options for the J Bass® neck include:

        • No Mounting Holes
        • Standard 4 Bolt
        More Information

        Standard 4 Bolt

        Standard Mounting Holes

        The Four Bolt option is standard, and aligns perfectly with compatible bodies for quick and easy assembly.

        No Mounting Holes

        No Mounting Holes

        A neck without Mounting Holes may be special ordered for those projects that require it.

        Fingerboard Radius

        Fingerboard radius is the measure of the curve of a neck's fretting surface. It effects playability and grip comfort. Radius options for this neck include:

          • Straight 10"
          More Information

          Fingerboard Radius Explained

          The term "fingerboard radius" describes the curvature or arc of the fingerboard across the width of the neck. The measurement is arrived at by extending the arc of the fingerboard to form an imaginary circle around the neck. The radius of this circle is the fingerboard radius.

          The J Bass® fingerboard radius is 10". It is very comfortable to play on and will feel familiar to most bassists.

          Right or Left Handed

          The J Bass® neck can be ordered for the same price in either of the following configurations:

          • Left Handed
          • Right Handed Reverse
          • Right Handed
          More Information

          Right Handed Reverse

          Right Handed

          Right Handed Reverse means you pick the strings with your right hand and fret with your left, but the headstock is oriented with the tuners pointed downwards. The side dots face upwards, visible to the player.

          Right Handed

          Right Handed

          Right Handed means you pick the strings with your right hand and fret with your left.

          Left Handed

          Right Handed

          Left Handed means you pick the strings with your left hand and fret with your right.

          Tuner Holes

          Tuner routing options for the Warmoth J Bass® neck include:

          • Hipshot Ultra Lite (14mm)
          • BML (17.5mm)
          • GB7 (14mm)
          More Information

          BML (17.5mm)

          Schaller patented vintage style bass tuners. Large clover leaf buttons like those found on Jbass® and Pbass® necks.

          • Sold in sets of four only.
          • Fits a 11/16" (17.5 mm) tuner hole.
          • 20:1 gear ratio.
          • Weight per tuner: 3.46 oz. (98 grams)
          • Matching grommets and mounting screws included.
          • Can be disassembled, reversed and reassembled to accommodate a left hand bass (tuners on the right side of the peg head)
          Schaller BML Bass Tuners
          View In Stock Schaller

          GB7 (14mm)

          The GB7 is a modern-style tuner with a die-cast, permanently lubricated enclosure for smooth operation and long life.

          • Smooth and accurate operation.
          • 20:1 gear ratio.
          • Fits a 9/16" (14mm) tuner hole.
          • Mounting screw, hex nut, and washer included.
          Gotoh GB7 Bass Tuners
          View In Stock Gotoh

          Hipshot Ultra Lite (14mm)

          We do not sell Hipshot tuners, but we do rout for them.

          • Fits a 9/16" (14 mm) tuner hole.

          Warranty Information: Tuner bushings from different manufacturers are not always identical in size. If the tuner bushings you are using don’t fit into the tuner routs fairly easily do not force them. It is necessary to open the hole up slightly. Headstocks broken as a result of forcing bushings into them are not covered under warranty.

          Number of Frets

          The Warmoth J Bass® neck comes with 20 frets standard. Extended fingerboards with 21 or 24 frets are also available. Options include:

          • 24
          • 20
          • 21
          More Information

          20 Frets

          20 Frets

          21 Frets

          21 Frets

          24 Frets

          24 Frets

          Finish Choices

          The finish you choose for your neck will effect both its appearance and its playing feel. Many common neck woods also require a finish to preserve their warranty. Finish options for this neck include:

          • Vint Tint Satin Nitro
          • Vintage Tint Gloss
          • Clear Gloss
          • Clear Satin Nitro
          More Information

          Clear Gloss

          $90 - Maple Necks with Maple Fingerboards (Entire neck will be finished)

          $80 - Maple Necks with non-maple Fingerboards (No finish on the fingerboard)

          $110 - Non-Maple necks (No finish on the fingerboard)

          This is our standard neck finish. It is clear, wet looking and very shiny.

          Clear Gloss

          Clear Satin Nitro

          $80 - Maple Necks with Maple Fingerboards (Entire neck will be finished)

          $70 - Maple Necks with non-maple Fingerboards (No finish on the fingerboard)

          $100 - Non-Maple necks (No finish on the fingerboard)

          A non-glossy, matte finish. The feel is very smooth and fast. The look and feel are similar to the modern Fender® neck finish.

          Clear Satin Nitro

          Vint Tint Satin Nitro

          $110 - Maple Necks with Maple Fingerboards (Entire neck will be finished)

          $100 - Maple Necks with non-maple Fingerboards (No finish on the fingerboard)

          $130 - Non-Maple necks (No finish on the fingerboard)

          A non-glossy, matte finish. The feel is very smooth and fast. Amber tint is added to the finish to a achieve an aged appearance. It is perfect for those that want the quick feel of a modern neck, with a more vintage look. This is not a reliced finish. It is a tinted color.

          Vintage Tint Satin

          Vintage Tint Gloss

          $110 - Maple Necks with Maple Fingerboards (Entire neck will be finished)

          $100 - Maple Necks with non-maple Fingerboards (No finish on the fingerboard)

          $130 - Non-Maple necks (No finish on the fingerboard)

          A high-gloss, wet looking finish with amber tint added to a create an aged appearance. This is the look associated with vintage Fender® instruments. It is not a reliced finish. It is a tinted color.

          Vintage Tint Gloss

          Warranty Information: For a valid warranty your neck must be covered with a hard finish. Oils do not meet this requirement. The finish must be sufficiently thick to completely cover the wood so that a player’s hand touches only finish, never wood. Finishes done by Warmoth meet this warranty requirement. Hard finishes applied by you or a third party may also meet this requirement.

          All our necks are dipped in an oil based penetrating sealer that is compatible with virtually all secondary finishes. This provides enhanced stability, but it is not adequate protection for playing. If you purchase an unfinished Maple, Mahogany, or Koa neck we strongly recommend you apply a hard finish. We understand the attraction of unfinished or lightly oiled necks. Unfortunately, they are much more susceptible to moisture-related warping and twisting. Our experience is that hard finished necks seldom warp, while about 10% of unfinished or oiled necks eventually do.

          Headstock Veneer

          You can choose exotic woods veneers for your headstock to emulate the look of a Laminate Top body. A Headstock Veneer adds a boutique, balanced look to any instrument. Available in these materials:

          • Koa
          • Indian Rosewood
          • Flame Koa
          • Ebony
          • Ebony (Macassar)
          • Flame Maple
          • Birdseye Maple
          • Quilt Maple
          • Zebrawood
          • Lacewood
          • Walnut
          More Information

          Headstock Veneer

          A thin wood laminate approximately .030" (1mm) thick is applied to the face of the headstock. On straight headstocks it covers the end of the fingerboard. On Tiltback headstocks it ends at the nut slot. A wide range of finish options is available.

          Headstock Veneer Wood Options

          Birdseye Maple

          add $45

          Ebony

          add $55

          Ebony (Macassar)

          add $55

          Flame Koa

          add $55

          Flame Maple

          add $45

          Indian Rosewood

          add $45

          Koa

          add $45

          Lacewood

          add $45

          Quilt Maple

          add $45

          Walnut

          add $45

          Zebrawood

          add $45

          Pricing Table

          Right Handed, Left Handed, & Right-Handed Reverse Available - Same Price

          Prices are for unfinished necks with standard features.

           
          Fingerboard Woods
          Shaft Woods
          MapleIndian RosewoodPau FerroBubingaGoncalo AlvesWengePurpleheartBloodwoodEbonyZiricote
          Maple$180$180$200$215$225$245
          Mahogany$200$200$220$235$245$265
          Birdseye Maple$216$216$236$251$261$281
          Roasted Maple$220$220$240$255$265$285
          Flame Maple$260$260$280$295$305$325
          3A Birdseye Maple$380$380$400$415$425$445

          Additional Charges

          Inlays
          Custom Dots $20
          Custom Inlays $90
          Frets
          Stainless Steel $20
          Gold $30
          Binding
          Binding $110
          String Nut/ Nut Prep
          Installed String Nut $20 - $25
          Finish
          Clear or Vintage Tint $65-$125
          Solid or Transparent $125-$145
          Dye or Burst $135-$155
          Headstock Veneer
          Various Woods $45 - $55

          Ways To Buy

          Use the Warmoth Builder to design a body or neck just the way you want it. View every option we offer and spec your build down to the last detail.

          The Builder guides you step-by-step and makes customizing your guitar or bass parts easy.

          Build Custom build your own
          J Bass® Neck

          The Warmoth Showcase lets you view photos and buy from our current selection of bodies and necks. We stock a large range of options so there

          is a good chance what you’re looking for is already there. It’s the quickest and cheapest way to get the parts you need.

          Browse IN STOCK
          J Bass® Necks

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