Wolf Tooth Performance Headset - ZS56/40 Lower Blue ModelNumber=K1696 Ultra-lightweight tempered silicon-chromium steel spring

Ultra-lightweight tempered silicon-chromium steel spring (Medium Spring included)

Power mode change simulates the feeling of normal shifting

Color Black Ring Position/Type Single Tooth Count 36 Drivetrain Speeds 12 Chainring BCD Direct Mount Bosch Designed for ebike Yes Defined Color Black Direct Mount Type Direct Mount Bosch Gen 4

8 Center to Flange Right 32

Wolf Tooth Performance Headset - ZS56/40 Lower Blue ModelNumber=K1696 Ultra-lightweight tempered silicon-chromium steel springWolf Tooth Performance Headset ZS56 40 Lower 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 Crown Race 40 Bearing Type Cartridge Bearing Type Black Oxide Steel Color Blue S. H. I. S Lower ZS56