WOLF TOOTH ZS44/28.6 Headset Upper - 6mm Stack - Black trike X-Range gearing technology gives you

X-Range gearing technology gives you more range and a smoother gear progression

made with recycled polyester

B-screw adjustment

Not recommended for rear-wheel use

WOLF TOOTH ZS44/28.6 Headset Upper - 6mm Stack - Black trike X-Range gearing technology gives youWolf 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 S. H. I. S. Stem Clamp Diameter: 28. 6 Threadless Bearing Type: Cartridge , Black Oxide Steel S. H. I. S Upper: ZS44 Upper Stack Height: 6