Headset Cup Type: ZS (Zero Stack)

  • Headset Top Caps

    Headset Top Caps

    The White Industries Headset Top Caps are precision-machined components designed to complete the front end of your build with reliability and refinement. Made to work seamlessly with White Industries headsets, these top caps deliver secure fitment and consistent performance while maintaining a clean, minimal profile that complements your bike’s overall aesthetics.

    Crafted from high-quality materials and machined with White Industries’ signature attention to detail, these top caps offer durable service for everyday riding and long-term use. Whether you’re tightening a headset during assembly or refreshing the visuals on an existing build, the headset top cap ensures a confident, solid interface between stem and headset. Ideal for riders who value performance and detail, these headset top caps are a simple upgrade that reinforces quality where it matters.

     

  • Headset Star Nut

    Headset Star Nut

    The White Industries Headset Star Nut provides a secure, reliable anchor for headset preload on bicycles with 1-1/8-inch threadless steel or aluminum fork steerers. Precision-manufactured from durable steel, it delivers dependable performance and is designed to work seamlessly with White Industries headsets and other compatible threadless headset systems.

    While every White Industries headset includes a star nut, we also offer replacements separately(these guys). Whether you’re building a new bike, replacing a worn component, or simply need an extra for your workshop, our headset star nut makes installation simple and dependable.

    Designed with an M6 x 1mm thread, the star nut provides a secure interface for your headset top cap bolt, allowing you to properly preload your headset bearings for smooth steering performance.

    Simple, reliable, and built to last, it’s one of the smallest components on your bike—but an essential one.

    Features

    • Designed for 1-1/8-inch threadless fork steerers
    • Compatible with steel and aluminum steerer tubes
    • M6 x 1mm thread
    • Durable steel construction
    • Secure headset preload interface
    • Ideal as a replacement or spare component

    Specifications

    • Fork Steerer: 1-1/8 in (28.6mm)
    • Thread: M6 x 1mm
    • Nominal Diameter: 26.7mm
    • Nominal Height: 15mm
    • Material: Steel

     

  • Chainring Lockrings

    Chainring Lockrings

    These lockrings fasten our TSR 1x and VBC 2x chainrings to our crank arms.  There are two different versions, one for our MR30 cranks, and one for our ENO/Square Taper Road Cranks.

    Specs

    • 6061-T6 aluminum
    • Anodized black
    • MR30 series crank version
    • ENO/Square Taper Road Crank version

    Tools

    • For MR30 series cranks use:
      • Park BBT-22 or Shimano BBT-32
    • ENO/Square Taper Road Cranks use either:
      • Park BBT-19.2, Enduro BBT-015, or any 16 notch/44mm tool
      • White Industries part# LRTOOL (3 notch tool)

    Torque

    • 30 ft lbs (40 Nm)

     

    Technical Documents

     

  • ZS44/EC44 Headset

    ZS44/EC44 Headset

    The White Industries ZS44 | EC44 Threadless Headset delivers smooth steering, lasting durability, and timeless style for modern bicycles. We machine, polish, engrave, and inspect every headset in our Petaluma, California facility. As a result, every headset reflects the precision craftsmanship and dependable performance riders have trusted for more than 30 years.

    For decades, White Industries has designed components that prioritize precision, reliability, and serviceability. The ZS44 | EC44 Threadless Headset continues that tradition with premium materials, thoughtful engineering, and a clean, refined design built to perform for years to come.

    Every headset features premium Enduro stainless steel angular contact bearings. These bearings provide smooth, consistent steering in every riding condition. They are also fully replaceable, making maintenance simple and extending the life of your headset.

    The ZS44 | EC44 Threadless Headset also features our split crown race design. You can install and remove it by hand without specialized tools. As a result, servicing your headset is quick and straightforward. In addition, every headset receives precision machine engraving—not laser etching—for a premium finish that reflects the attention to detail found in every White Industries component.

    The White Industries ZS44 | EC44 Threadless Headset is designed for frames with 44mm head tubes. With the appropriate crown race, it is compatible with both straight 1-1/8-inch and tapered 1-1/2-inch (40mm) fork steerers. This versatility makes it an excellent choice for a wide range of modern road, gravel, cyclocross, and mountain bike frames.

    Because headset standards vary between manufacturers, we recommend confirming your bike’s SHIS (Standardized Headset Identification System) specifications before placing your order. Verifying compatibility helps ensure the correct fit and hassle-free installation.

    Whether you’re replacing a worn headset or completing a custom bike build, the White Industries ZS44 | EC44 Threadless Headset delivers smooth steering, premium craftsmanship, and American-made quality built to last.

    Features

    • Precision CNC-machined in Petaluma, California
    • Designed for ZS44 | EC44 headset applications
    • Fits 44mm head tubes
    • Compatible with straight 1-1/8-inch and tapered 1-1/2-inch (40mm) fork steerers with the appropriate crown race
    • Premium Enduro stainless steel angular contact bearings
    • Replaceable bearings for long-term serviceability
    • Split crown race for easy installation and removal
    • Precision machine-engraved White Industries logos
    • Durable, easy-to-service design
    • Smooth, reliable steering performance
    • Made in the USA
  • ZS44/ZS44 Headset

    ZS44/ZS44 Headset

    The White Industries ZS44 | ZS44 Threadless Headset delivers smooth steering, lasting durability, and timeless style for modern bicycles. We machine, polish, engrave, and inspect every headset in our Petaluma, California facility. As a result, every headset reflects the precision craftsmanship and dependable performance riders have trusted for more than 30 years.

    For decades, White Industries has designed components that prioritize precision, reliability, and serviceability. The ZS44 | ZS44 Threadless Headset continues that tradition with premium materials, thoughtful engineering, and a clean, refined design built to perform for years to come.

    Every headset features premium Enduro stainless steel angular contact bearings. These bearings provide smooth, consistent steering in every riding condition. They are also fully replaceable, making maintenance simple and extending the life of your headset.

    The ZS44 | ZS44 Threadless Headset also features our split crown race design. You can install and remove it by hand without specialized tools. As a result, servicing your headset is quick and straightforward. In addition, every headset receives precision machine engraving—not laser etching—for a premium finish that reflects the attention to detail found in every White Industries component.

    The White Industries ZS44 | ZS44 Threadless Headset is designed for frames with 44mm upper and lower head tubes. It is compatible with straight 1-1/8-inch (28.6mm) fork steerers, making it an excellent choice for modern road, gravel, cyclocross, and commuter bikes. Because headset standards vary between manufacturers, we recommend confirming your bike’s SHIS (Standardized Headset Identification System) specifications before placing your order. Verifying compatibility helps ensure the correct fit and hassle-free installation.

    Whether you’re replacing a worn headset or completing a custom bike build, the White Industries ZS44 | ZS44 Threadless Headset delivers smooth steering, premium craftsmanship, and American-made quality built to last.

    Features

    • Precision CNC-machined in Petaluma, California
    • Designed for ZS44 | ZS44 headset applications
    • Fits 44mm upper and lower head tubes
    • Compatible with straight 1-1/8-inch (28.6mm) fork steerers
    • Premium Enduro stainless steel angular contact bearings
    • Replaceable bearings for long-term serviceability
    • Split crown race for easy installation and removal
    • Precision machine-engraved White Industries logos
    • Durable, easy-to-service design
    • Smooth, reliable steering performance
    • Made in the USA
  • ZS44/ZS56 Headset

    ZS44/ZS56 Headset

    The White Industries ZS44 | ZS56 Threadless Headset delivers smooth steering, lasting durability, and timeless style for modern bicycles. We machine, polish, engrave, and inspect every headset in our Petaluma, California facility. As a result, every headset reflects the precision craftsmanship and dependable performance riders have trusted for more than 30 years.

    For decades, White Industries has designed components that prioritize precision, reliability, and serviceability. The ZS44 | ZS56 Threadless Headset continues that tradition with premium materials, thoughtful engineering, and a clean, refined design built to perform for years to come.

    Every headset features premium Enduro stainless steel angular contact bearings. These bearings provide smooth, consistent steering in every riding condition. They are also fully replaceable, making maintenance simple and extending the life of your headset.

    The ZS44 | ZS56 Threadless Headset also features our split crown race design. You can install and remove it by hand without specialized tools. As a result, servicing your headset is quick and straightforward. In addition, every headset receives precision machine engraving—not laser etching—for a premium finish that reflects the attention to detail found in every White Industries component.

    The White Industries ZS44 | ZS56 Threadless Headset is designed for frames with 44mm upper and 56mm lower head tubes. It is compatible with tapered 1-1/2-inch (40mm) fork steerers, making it an ideal choice for modern mountain, gravel, and adventure bikes that use a tapered headset system. Because headset standards vary between manufacturers, we recommend confirming your bike’s SHIS (Standardized Headset Identification System)specifications before placing your order. Verifying compatibility helps ensure the correct fit and hassle-free installation.

    Whether you’re replacing a worn headset or completing a custom bike build, the White Industries ZS44 | ZS56 Threadless Headset delivers smooth steering, premium craftsmanship, and American-made quality built to last.

    Features

    • Precision CNC-machined in Petaluma, California
    • Designed for ZS44 | ZS56 headset applications
    • Fits 44mm upper and 56mm lower head tubes
    • Compatible with tapered 1-1/2-inch (40mm) fork steerers
    • Premium Enduro stainless steel angular contact bearings
    • Replaceable bearings for long-term serviceability
    • Split crown race for easy installation and removal
    • Precision machine-engraved White Industries logos
    • Durable, easy-to-service design
    • Smooth, reliable steering performance
    • Made in the USA