Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Blue SmartHead The Hope RX4+ caliper builds

The Hope RX4+ caliper builds on 25 years of experience designing and manufacturing hydraulic disc brakes and transfers that knowledge into the world of road and cyclocross drop bar brakes

CNC machined from 6061-T6 Aluminum (no plastic parts)

X-SYNC 2 chainring design increases chain retention wear life and reduces friction and noise

Stem length: 90mm

Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Blue SmartHead The Hope RX4+ caliper buildsWolf Tooth Performance Headset ZS44 28. 6 Upper 6mm Stack Blue. 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 Blue S. H. I. S Upper ZS44 Upper Stack