Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Nuts & Washers - Replacement parts for Formula

- Replacement parts for Formula master cylinders

UPC: 888571036839

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

- Precision derailleur screwdrivers machined to exact standards to ensure a perfect fit

Wolf Tooth Headset Spacer Knock Block - 10mm, Blue Nuts & Washers - Replacement parts for FormulaWolf 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