Wolf Tooth Headset Spacers for Trek Knock Block are machined in the USA out of aircraft grade aluminum.
Product Details:
- 1 1/8" top (straight 1 1/8" or 1 1/8" to 1 1/2" taper) steerer tubes only
- Compatible with Trek Knock Block system
- These spacers have unique raised features that key to Knock Block compatible stems (made by Bontrager)
Specifications:
- Color: Black
- Defined Color: Black
- keyword search: Trek Knock Block
- Material: Aluminum
- S.H.I.S. Stem Clamp Diameter: 28.6
- Thickness: 10
- UPC: 810006802597
- MPN: SPACER-KNOCK-BLK-10MM
