Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Car Racks - Larger aluminum platform than

- Larger aluminum platform than the Classic

Manufacturer Part Number: 017A920IKC004

UPC: 710845656187

UPC: 689228828124

Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Car Racks - Larger aluminum platform thanWolf 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: Blue Material: Aluminum keyword search: Trek Knock Block Thickness: 10 S. H. I. S. Stem Clamp Diameter: 28. 6