Wolf Tooth Headset Spacer Knock Block - 10mm, Orange
Wolf Tooth Headset Spacer Knock Block - 10mm, Orange, Wolf Tooth Headset Spacers for Trek Knock Block are machined in the USA out of aircraft grade aluminum.Compatible with Trek Knock Block systemThese 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