Headset Parts

—$13.90

ZN40-Series bearings are corrosion-resistant zinc-coated, machined steel cartridge bearings with hardened steel balls, which vastly increases the longevity of your headset.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 27.25 Bearing O.D. (mm) 38 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek ZN40-Series Bearing Headset Bearing UPC: 840226078366

by Cane Creek

—$14.39

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Espresso Defined Color Brown Wolf Tooth Ultralight Stem Cap with Integrated Spacer Headset Top Cap UPC: 810006806441

by Wolf Tooth

—$35

The Chris King Base Plates (Crown Races) 44.0mm OD base plate is for headsets produced prior to 4/1995 and have an F designation 40.5mm OD base plate is for headsets produced after 4/1995 and have a B designation Chris King Base Plates (Crown Races) Crown Race UPC: 841529023039

by Chris King

—$39.99

Hellbender Lite bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Item Specifications Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Cane Creek Hellbender Lite Headset Bearing Headset Bearing UPC: 840226091143

by Cane Creek

—$19.95

Ritchey compression plug and top cap for for forks with carbon steerer. Item Specifications Color Black Ritchey Compression Plug Compression Plug UPC: 796941331593

by Ritchey

—$29.99

Hellbender bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Item Specifications Bearing I.D. (mm) 30.3 Bearing O.D. (mm) 41.8 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek Hellbender Headset Bearing Headset Bearing UPC: 840226078151

by Cane Creek

—$24.99

ZN40-Series bearings are corrosion-resistant zinc-coated, machined steel cartridge bearings with hardened steel balls, which vastly increases the longevity of your headset.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing O.D. (mm) 49 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Cane Creek ZN40-Series Bearing Headset Bearing UPC: 840226084367

by Cane Creek

—$14.90

Details matter when you are building up a bike and the stem cap should not be overlooked. This ultralight and ultra-sleek stem cap fits flush with your stem or can be used with a spacer under it. It is precision machined out of 7075-T6 aluminum for the lowest weight without any performance compromise. Compatible with 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Total weight (cap + bolt): 8 grams (compare to a standard stem cap and steel bolt at 18 grams) Item Specifications Color Raw Silver Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Wolf Tooth Ultralight Stem Cap Headset Top Cap UPC: 810006809657

by Wolf Tooth

—$12.88

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Blue Defined Color Blue Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. Cane Creek Chroma Studio Headset Top Cap Headset Top Cap UPC: 840226140957

by Cane Creek

—$26.99

Hellbender Lite bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Item Specifications Bearing O.D. (mm) 41 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Cane Creek Hellbender Lite Headset Bearing Headset Bearing UPC: 840226091129

by Cane Creek

—$12.88

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. Cane Creek Chroma Studio Headset Top Cap Headset Top Cap UPC: 840226140971

by Cane Creek

—$14.90

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Raw Silver Defined Color Silver Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Wolf Tooth Ultralight Stem Cap with Integrated Spacer Headset Top Cap UPC: 810006809640

by Wolf Tooth

—$16.16

Details matter when you are building up a bike and the stem cap should not be overlooked. This ultralight and ultra-sleek stem cap fits flush with your stem or can be used with a spacer under it. It is precision machined out of 7075-T6 aluminum for the lowest weight without any performance compromise. Compatible with 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Total weight (cap + bolt): 8 grams (compare to a standard stem cap and steel bolt at 18 grams) Item Specifications Color Ultraviolet Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Wolf Tooth Ultralight Stem Cap Headset Top Cap UPC: 810159401050

by Wolf Tooth

—$12.88

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Red Defined Color Red Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. Cane Creek Chroma Studio Headset Top Cap Headset Top Cap UPC: 840226140919

by Cane Creek

—$25.46

The MRP Riser Crown Race offers 5mm (LowRise) or 10mm (HighRise) of added height compared to a traditional crown race. It can be used to gain downtube clearance for fork crowns, the Noken air-spring upgrade, or to adjust the geometry of your bike. The Riser Crown Race is compatible with any 1.5" headset using 36/45 bearings, giving you the flexibility to fine-tune your setup with ease. HighRise Riser Crown Race typically reduces head angle by approximately 0.5 degrees though the exact effect will vary based on your bike's geometry Compatible with 36/45 degree headset bearings 1.5" I.D with 36 degree mating surface (Cane Creek, FSA, Chris King, etc.) Aluminum HighRise Riser crown race weighs 24g Item Specifications Crown Race 40 MRP Riser Crown Race Crown Race UPC: 702430223874

by MRP

—$12.88

If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride. Compatible with all 1-1/8 threadless headset uppers DOES NOT Include Bolt and/or Star nut. Item Specifications Color Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6   DOES NOT Include Bolt and/or Star nut. Cane Creek Chroma Studio Headset Top Cap Headset Top Cap UPC: 840226025612

by Cane Creek

—$79.99

Hellbender Lite bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Lightweight aluminum/steel hybrid Hellbender Lite bearings are 30% lighter than conventional headset bearings Designed specifically with 2024 Specialized Epic World Cup and Stumpjumper 15 Includes (1) 49.5/40.5 Upper Bearing and (1) 52/40 Lower Bearing For use with existing bearing cover and compression ring Item Specifications Bearing I.D. (mm) 40 Bearing I.D. (mm) 40.5 Bearing O.D. (mm) 49.5 Bearing O.D. (mm) 52 Color Red Material Aluminum Material Steel Cane Creek Hellbender Lite Headset Bearing Headset Bearing UPC: 840226157719

by Cane Creek

—$25.46

The MRP Riser Crown Race offers 5mm (LowRise) or 10mm (HighRise) of added height compared to a traditional crown race. It can be used to gain downtube clearance for fork crowns, the Noken air-spring upgrade, or to adjust the geometry of your bike. The Riser Crown Race is compatible with any 1.5" headset using 36/45 bearings, giving you the flexibility to fine-tune your setup with ease. LowRise Riser Crown Race typically reduces head angle by approximately 0.25 degrees though the exact effect will vary based on your bike's geometry Compatible with 36/45 degree headset bearings 1.5" I.D with 36 degree mating surface (Cane Creek, FSA, Chris King, etc.) Aluminum LowRise Riser crown race weighs 14g Item Specifications Crown Race 40 MRP Riser Crown Race Crown Race UPC: 702430223867

by MRP

—$49

The Chris King DropSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King DropSet 2, 3, and 4 headsets ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King DropSet Headset Bearing Cap and GripLock Assembly Headset Small Part UPC: 841529278927

by Chris King

—$46

The Chris King DropSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King DropSet 5 headset ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Chris King DropSet Headset Bearing Cap and GripLock Assembly Headset Small Part UPC: 841529278941

by Chris King

—$26

The Chris King headset stem (top) cap is a precision machined and timelessly styled crown jewel. It's crafted using premium aluminum and anodized for adding durability and great looks. For use with 1" (25.4mm) steer tubes Precision machined and timelessly styled Crafted using premium aluminum and anodized for adding durability and great looks Item Specifications Color Matte Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 25.4 Chris King Headset Stem Cap Headset Top Cap UPC: 841529278835

by Chris King

—$49

The Chris King InSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King InSet 1,2, 3, 7, and 8 headsets ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King InSet Headset Bearing Cap Headset Small Part UPC: 841529278897

by Chris King

—$46

The Chris King InSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King DropSet 4 and 5 headsets ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King InSet Headset Bearing Cap Headset Small Part UPC: 841529278903

by Chris King

—$21

The Chris King headset stem (top) cap is a precision machined and timelessly styled crown jewel. It's crafted using premium aluminum and anodized for adding durability and great looks. For use with 1-1/8" (28.6mm) steerers Precision machined and timelessly styled Crafted using premium aluminum and anodized for adding durability and great looks Item Specifications Color Matte Gold Defined Color Gold Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Chris King Headset Stem Cap Headset Top Cap UPC: 841529278842

by Chris King

—$33

The Chris King NoThreadset bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King NoThreadset 1" headsets Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King NoThreadset Headset Bearing Cap Headset Small Part UPC: 841529278859

by Chris King

—$33

The Chris King NoThreadset bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King NoThreadset 1-1/8" headsets Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King NoThreadset Headset Bearing Cap Headset Small Part UPC: 841529278880

by Chris King

—$74.99

Hellbender Lite bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Lightweight aluminum/steel hybrid Hellbender Lite bearings are 30% lighter than conventional headset bearings For use with 2024 Specialized Tarmac SL8 Includes (2) 49.5mm 45x45 bearings Item Specifications Bearing I.D. (mm) 40.5 Bearing O.D. (mm) 49.5 Bearing Type 45/45 Degree ACB Cartridge Bearing Angle 45x45 Color Red Material Aluminum Material Steel Thickness 6.5 Cane Creek Hellbender Lite Headset Bearing Headset Bearing UPC: 840226001425

by Cane Creek

—$16.16

It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only Light-weight and durable 6061-T6 aluminum Item Specifications Color Ultraviolet Purple Defined Color Purple Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Wolf Tooth Ultralight Stem Cap with Integrated Spacer Headset Top Cap UPC: 810159401043

by Wolf Tooth

—$33

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 32.75 Bearing O.D. (mm) 41.75 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Enduro Headset Bearing Headset Bearing UPC: 811780022942

by Enduro