Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Black Axle-10mm Features Wolf Tooth's Drop-Stop tooth

Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention

Thread Pitch 9 x 1

Backing Plate Material Steel Compound Organic Designed for ebike Yes Heat Sink No Pad Shape Number 22

5” or 27

Another really important function: It opens bottles

Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Black Axle-10mm Features Wolf Tooth's Drop-Stop toothWolf Tooth Performance Headset ZS44 28. 6 Upper 6mm Stack Black. Wolf 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 Black oxide coating reduces corrosion TECH SPECS Bearing Type Cartridge Bearing Type Black Oxide Steel Color Black S. H. I. S Upper ZS44 Upper