Headsets

Refresh your ride.

Features
- Durable steel construction
- Great low cost replacement option

- 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

Get back on the road with a genuine replacement headset.

Features
- Explanation on the S.H.I.S. Can be found here: http://bicycleheadsets.com/
- Semi integrated threaded headset

Get back on the bike with a genuine replacement headset. Original replacement headset for your bike. PRODUCT DETAILS - Confirm compatibility before use - Includes reducer, bearings, cling ring, gasket and dust cover

Get back on the road with genuine headsets.

Features
- External headset 1-1/8 inch
- For threaded steerer tubes
- Total stack height: 40mm
- Lower: ID: 30mm, OD: 41,2mm
- Upper: ID: 25,4mm, OD: 34mm

Replacement headset bearings from FSA. - Compatible with most Trek MTB integrated headset systems - Sealed bearing for long life - Compatible with Knock Block Headsets

High-quality replacement headset bearings are smooth like butter. - Sealed cartridge bearing for long life - Durable steel bearing housing

Genuine replacement parts Keeps your front wheel straight after parking your bike. Product details: - Includes bearings, headset, and headset-lock

Speed Concept (Gen 1) Headset from Trek

Genuine replacement parts

Get back on the road with a genuine replacement headset.



Designed for use with internal cable routing



- Includes lower and upper bearing

- Includes headset compression ring

- Compression ring is stackable with Allant+ 9.9 / Zouma Supreme+ Top cap and Spacers

Get your bike back in action with a quality replacement headset.

Features
- 1-1/2in. Lower bearing
- Angular contact bearings

Get back on the trail with a replacement headset assembly for your Session. Original replacement headset assembly for your Session. PRODUCT DETAILS - Complete headset assembly - Degree offset headset is stock on Session models - Only for use on 2018+ Session Carbon models

Genuine FSA replacement headsets.

Features
- Complete headset assembly includes 1.5" crown race
- For use with 44mm upper ID and 56mm lower ID frames

Complete replacement headset for Fuel Gen 7 & Fuel+ Gen 2.

Features
- 49mm ZS/Semi-Integrated Upper Cup
- 56mm ZS/Semi-Integrated Lower Cup
- Original Equipment Standard Headset Bearings
- First used on Fuel Gen 7 & Fuel+ Gen 2
- Backwards compatible to Session with Angle Adjust

Trek proprietary headset components are compatible with Trek Knock Block models. Service and replacement parts specifically for Trek Knock Block Technology. PRODUCT DETAILS - Compatible with all Trek Knock Block models - Includes crown race, bearings, top cover, frame chip & fastener - Must be paired with Knock Block stem and Knock Block spacers - Knock Block headset spacers not included

Service and replacement parts specifically for Trek Knock Block technology.

Get your bike back on the trail with the headset parts you need.

Features
- Trek proprietary headset components compatible with Trek Knock Block models
- 58-degree headset fits all 2017-2020 Knock Block equipped models
- 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

Service and replacement parts specifically for Trek Knock Block technology.



Get your bike back on the trail with the headset parts you need.



PRODUCT DETAILS

- Trek proprietary headset components compatible with Trek Knock Block models

- 62-degree headset fits 2020 & 2021 Supercaliber and 2021 Procaliber

- 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

Service and replacement parts specifically for Trek Knock Block technology.

Get your bike back on the trail with the headset parts you need.

Features
- 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