Description
Value bundle includes a 2 pack quantity of the Wolf Tooth Knock Block Headset Spacer Headset Stack Spacer.
Wolf Tooth Headset Spacers for Trek Knock Block are machined in the USA out of aircraft grade aluminum.
- Compatible with Trek Knock Block system
- These spacers have unique raised features that key to Knock Block compatible stems (made by Bontrager)
- 1 1/8″ top (straight 1 1/8″ or 1 1/8″ to 1 1/2″ taper) steerer tubes only
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