Wolf Tooth Performance Headset - ZS56/40 Lower, Red brake-lever-adjusting-barrel SRAM Rear Derailleur Upper Bolt

SRAM Rear Derailleur Upper Bolt and Springs Upper Bolt and Spring UPC: 710845718397

110 version of former Cane Creek XXII ZS bottoms

Folding design saves space when not in use

Park Tool Threadless Nut Setters Headset Tool UPC: 763477008008

Wolf Tooth Performance Headset - ZS56/40 Lower, Red brake-lever-adjusting-barrel SRAM Rear Derailleur Upper BoltWolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity and durability Custom molded dual lip seal on the crown race protects lower bearing in the toughest conditions Item Specifications Bearing Type Black Oxide Steel Bearing Type Cartridge Color Red Crown Race 40 S. H. I. S Lower