Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 714401206076

UPC: 714401206076

UPC: 840226134840

HY8567 BR1648

158235-Q0-L

Manufacturer Part Number: Y74Y98170

Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 714401206076Wolf 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.