Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 844171064870

UPC: 844171064870

Manufacturer Part Number: 2 701 966

158235-Q0-L

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

Manufacturer Part Number: Y74Y98170

Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 844171064870Wolf 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.