Wolf Tooth Headset Spacer Knock Block - 10mm, Black Pedal Tools UPC: 689228637207

UPC: 689228637207

- Road in the box: 2 threaded cups

UPC: 765442147590

121835-Q0-L

Please ask about compatiblity with your bike if you have any questions

Wolf Tooth Headset Spacer Knock Block - 10mm, Black Pedal Tools UPC: 689228637207Wolf 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: Black Material: Aluminum keyword search: Trek Knock Block Thickness: 10 S. H. I. S. Stem Clamp Diameter: 28.