Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims Cassette Cogs: 11-12-14-16-18-21-24-28-32

Cassette Cogs: 11-12-14-16-18-21-24-28-32

HY8567 BR1648

UPC: 844171064870

137748-Q0-L

Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims Cassette Cogs: 11-12-14-16-18-21-24-28-32Wolf 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 Product Specifics Color: Orange Material: Aluminum keyword search: Trek Knock Block Thickness: 10 S. H. I. S. Stem Clamp Diameter: 28.