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Headsets
$63.99
Service and replacement parts specifically for Trek Knock Block technology.
Genuine replacement parts
Get your bike back on the trail with the headset parts you need.
- Trek proprietary headset components compatible with Trek Knock Block models
- 72-degree headset fits 2021 Slash 29
- Includes crown race, bearings, top cover, frame chip & fastener
- Frame chip has display tabs to connect Bosch Kiox Mount sold separately
- Must be paired with Knock Block stem and Knock Block spacers
- Knock Block headset spacers not included
$79.99
- Upper Headset Assembly for 2010+ Madone
- Bearing, Compression Ring, 15mm Top Cap
- Go green and save green — Zero packaging means zero waste and zero extra cost
$9.99 - $14.99
- Steel cups
- Steel retainer bearings
- Available in chrome or black
- S.H.I.S.: EC32/25.4-24tpi|EC32/27
- Steerer Dia: 25.4mm
- Cup Dia: 32.5mm
$11.99 - $19.99
- Steel cups
- Steel retainer bearings
- Available in chrome or black
- Steerer Dia: 25.4mm
- Cup Dia: 30mm
$19.99
- Steel cups
- Steel retainer bearings
- Available in chrome or black
- S.H.I.S.: EC34/28.6-26tpi|EC34/30
- Steerer Dia: 28.6mm
- Cup Dia: 34mm
- Race Dia: 30mm
- Stack Ht: 40mm
Size: 1-1/8"
$29.99
• Aluminum
• Semi-sealed mechanism
• 1 1/8 inch
• S.H.I.S.: EC34/28.6, EC34/30
$1.99 - $20.00
Lightweight aluminum alloy
- Non-Keyed
- Height: 20mm
- 10 to a bag
$39.99 - $49.99
Origin-8's Pro Fit Threadless Headset is made of light and durable aluminum and boasts smooth and long-lasting sealed cartridge bearings. It also sports nice laser-etched logos.
$39.99 - $49.99
The Origin8 Twistr Integrated Headset features highly polished sealed angular contact premium bearings ensure smooth operation. Its CNC-machined AL6061 top cover is sealed to keep moisture and grit away from the bearings, while the CNC-machined AL7075 crown race protects the lower bearings and fork.
- AL6061 top cap
- Forged stainless steel bolt
- Includes star nut
$41.69
• Sealed cartridge bearings
• CNC machined 6061-T6 aluminum cups with laser etched logos
• 26.4mm & 27.0mm races included
• S.H.I.S.: EC30/25.4-24tpi|EC30/26
• Steerer Diameter: 25.4mm
• Cup Diameter: 30.2mm
• Race Diameter: 26.4mm
• Stack Height: 42.5mm
• Size: 1-inch
• Black or Silver
• Weight: 110g including lock nut
$41.99 - $69.99
Origin-8's SSR Threadless Headset is for 1 1/8-inch threadless forks. It features CNC machined 7075-aluminum cups and stainless-steel cartridge bearings for excellent performance and long life. It also comes in many colors to customize your ride.
- 93g including star nut and laser top cap
- Stack Height: 28.5mm
**Anodized colors will vary from batch to batch and may not match exactly
- S.H.I.S.: EC34/28.6|EC34/30
$33.99
New dust cap design, with Monogram laser etched logo, for a cleaner look to accommodate a taller riding set up with less spacers. Same quality as Odyssey's Pro Headset using high-quality sealed bearings and a precision tapered wedge to keep the headset tight at all times.
FEATURES
- High-quality sealed bearings.
- Color matched spacers included.
- 15mm dust cap. With 3mm, and 2mm spacers
- Laser etched Odyssey bearings.
SPECS
- Campagnolo standard spec.
- 1 1/8-inch integrated headset.
- 45º tapered bearings
- 41.8mm outer diameter (fits 42mm BMX head tubes).
$34.99 - $36.99
Designed using high-quality sealed bearings and a precision tapered wedge to keep the headset tight at all times.
FEATURES
- High-quality sealed bearings.
- Color matched spacers included.
- 10mm, 3mm and 2mm (15mm total)
- Laser etched Odyssey bearings.
SPECS
- Campagnolo standard spec.
- 1-1/8 integrated headset.
- 45º tapered bearings 41.8mm outer diameter (fits 42mm BMX head tubes).
$18.99 - $24.99
A high quality integrated headset at an affordable price! Includes 2 campy spec sealed bearings and a 15mm tall dust cap for a seamless look.
$19.99 - $29.99
Featuring two precision sealed bearings, the Kink Integrated II headset provides long bearing life and super smooth function. The headset also includes a tall CNC-machined dust cover cap, and three assorted size color matched stack spacers to get the perfect stem height. This headset fits all integrated Campy-style frames.
TECH SPECS
- Cap Height: 15mm
- Spacer Sizes: 2mm, 5mm, & 7mm
- Bearing Size: Campy Spec (41.8mm x 45°)
- Weight: 2.9oz
$26.00
-Aircap OD2 expander system steerer plug (2012-2016)
$15.99
Replacement headset bearings from FSA.
- Compatible with most Trek MTB integrated headset systems
- Sealed bearing for long life
- Compatible with Knock Block Headsets
$24.99
- CrMo headset with oversized 3/16" lower ball bearings, 5/32" upper bearings and a nylon top cover
- Hammer: External Cup, traditional
- S.H.I.S.: EC34/28.6|EC34/30
- Stack: 12.8mm/11.9mm
- Color: Black
- Weight: 149g
$25.99
- Weight: 160g
- Crown Race: 30
- S.H.I.S. Lower: EC34
- S.H.I.S. Upper: EC34
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
$34.99 - $54.99
- Pig DH-Pro feature angular contact sealed upper bearing and an industrial cartridge sealed bearing with an alloy upper cup and CrMo lower cup
- Pig feature oversized 1/4" lower ball bearings, 5/32" upper bearings
- Big Fat Pig feature super oversized caged ball bearings
- Pig: External Cup, traditional
- Pig S.H.I.S.: EC34/28.6|EC34/30
- Big Fat Pig S.H.I.S.: EC49/38.1|EC49/40
- Pig DH Pro S.H.I.S.: EC34/28.6|EC34/30
- Stack: 15.4mm/13.6mm (Pig), 17mm/11.7mm (Big Fat Pig), 15.5mm/16mm (Pig DH Pro)
- Color: Black
- Weight: 193g (Pig), 345g (Big Fat Pig), 198g (Pgi DH Pro)
$29.99
High-quality replacement headset bearings are smooth like butter.
- Sealed cartridge bearing for long life
- Durable steel bearing housing
$29.99
Everything you'd want in a headset! The Lift Kit comes with 3mm, 8mm, and 18mm rise headset caps, giving your bike a super clean look and eliminating the need for additional spacers. Featuring two precision sealed Campy spec bearings (41.8mm x 45°), the Cinema Lift Kit provides long-lasting bearing life and smooth function.
- Cap Height: 3mm, 8mm, and 18mm
- Bearing Size: Campy Spec (41.8mm x 45°)
- Weight: 2.9 oz
$9.00 - $13.00
Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters.
- Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series
- Integral mold seals keep out the elements
- Durable steel construction
$23.99
Cane Creek's Aheadset is a simple, affordable solution for your headset needs.
• Bearing Type: Cup and Cone
• Color: Black
• Crown Race: 26
• Defined Color: Black
• Lower Stack Height: 12 mm
• S.H.I.S Lower: EC30
• S.H.I.S Upper: EC30
• S.H.I.S. Stem Clamp Diameter: 25.4-24tpi Quill
• Upper Stack Height: 22 mm
• Weight: 205 g
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