Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 888571010013

UPC: 888571010013

Manufacturer Part Number: 2 701 966

Manufacturer Part Number: Y74Y98170

GS2034 CK2195 211194

Rings: 42/32/22

Wolf Tooth Headset Spacer Knock Block - 10mm, Orange 27.5" (650b) Rims UPC: 888571010013Wolf 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.