What makes it special
Trek Knock Block 72-Degree Headset Assembly with Display Chip
28.6mm (1-1/8") / Black
$70.99
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Trek / Bike Headsets
Trek Knock Block 72-Degree Headset Assembly with Display Chip
Service and replacement parts specifically for Trek Knock Block technology.
$70.99
Ship to store · free pickup, usually ready in 4–7 business days
Free pickup at any of our four stores. Questions? We're happy to help.
About this product
The details.
Genuine replacement parts
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
- 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
The details
Good to know-
Specs9
- Manufacturer part #
- 141-0057000010
- Steerer outer diameter
- 28.6mm (1-1/8")
- Crown race inner diameter
- 39.8mm
- Cup Insertion OD
- Integrated
- Stack height
- 8.7mm
- Bearing type
- Sealed
- Headset type upper
- Unthreaded fully integrated
- Headset type lower
- Fully integrated
- Material
- Aluminum
Complete your setup
Goes well with.
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