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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
$6.99 - $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
$9.99 - $20.99
- Steel cups - Steel retainer bearings - Available in chrome or black - Steerer Dia: 25.4mm - Cup Dia: 30mm
$12.99
• Steel • Retainer ball bearings, includes top cap and star nut • 1 1/8 inch • S.H.I.S.: EC34/28.6, EC34/30
$12.99
• Steel • Retainer ball bearings, includes top cap and star nut • 1 inch • S.H.I.S.: EC30/25.4, EC30/26
$14.99
- 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"
$19.19
- Steel cup semi-integrated design - Threaded semi-integrated design - Fits many Sun cruisers and others - Caged bearing 5/32" x 22A - Cup Diameter: 44mm - Race Diameter: 30mm - Stack Height: 18.2mm
$26.99
• Aluminum • Semi-sealed mechanism • 1 1/8 inch • S.H.I.S.: EC34/28.6, EC34/30
$21.99
The Sunday BMX integrated headset is designed to be a quality headset at an affordable price. - Laser-etched Sunday logo - Color-matching spacers included - Gyro compatible - High quality sealed bearings and precision tapered wedge help to keep the headset tight
$21.99
The Sunday BMX integrated headset is designed to be a quality headset at an affordable price. - Laser-etched Sunday logo - Color-matching spacers included - Gyro compatible - High quality sealed bearings and precision tapered wedge help to keep the headset tight
$22.99
The Revolver headset features a high precision CNC 6061 Aluminum bearing cover with triple rubber seals for a perfect fit. - Campy spec 45x45 sealed bearings - 15mm dust cover stack height - 2.7oz (76.54g) - Materials: Aluminum Cover, Chromoly Crown Race
$17.00
Converts quill style forks to use threadless stems.
$24.99
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).
$26.99
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).
$26.00
-Aircap OD2 expander system steerer plug (2012-2016)
$42.00
-Tapered OD2 headset (2012-2016)
$42.00
-Integrated tapered headset for TCR model
$42.00
-Zero stack headset for XTC models
$68.00
-Tapered OD2 MTB headset (2012-2016)
$68.00
-Overdrive tapered MTB headset (2009-2016)
$14.99 - $19.99
- Forged steel cups with caged 5/32" ball bearings - TH-857 features a alloy top cover - TH Series: External Cup, traditional - S.H.I.S.: EC34/28.6|EC34/30 - Stack: 14.9mm/11mm - Color: Black - Weight: 126g
$16.99
- 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
$18.00
Replacement headset uppers from FSA. - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless - Bearing Type: Cartridge - S.H.I.S Upper: IS41 - Upper Stack Height: 8.2
$19.99
- CrMo headset with oversized 3/16" lower ball bearings, 5/32" upper bearings and an alloy top cover - Mallet: External Cup, traditional - S.H.I.S.: EC34/28.6|EC34/30 - Stack: 15.4mm/13.6mm - Color: Black - Weight: 150g
$19.99
- Carbon fiber top caps, bolt and steel star nut - Size: 1-1/8" - Color: Black - Weight: 21g
$20.99
Replacement headset bearings from FSA. - Compatible with most Trek MTB integrated headset systems - Sealed bearing for long life - Compatible with Knock Block Headsets
$21.99
A new headset gives you a new lease on life. This is the upper part of an integrated headset for a 44mm headtube. - Lower part of the headset sold separately