Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Nuts & Washers BR5919 180162-04

BR5919 180162-04

UPC: 763477001122

UPC: 888571036839

- 10 degree flare and a wide flat top for comfort and control

161246-Q0-L

Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Nuts & Washers BR5919 180162-04Wolf 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