Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Red Type-Dropper Seatpost Rear Derailleur Mount Type 10x1

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM X-Actuation Cage Length Medium Drivetrain Speeds 11 Weight 256 Color Black Chain Wrap Capacity (teeth) 32 Largest Cog 42

They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters

Instructions are available online @ www

}Surly Ultra New Hub Axle Kit for 130mm Front or Rear Black

2 Defined Color Black S

Wolf Tooth Performance Headset - ZS44/28.6 Upper 6mm Stack Red Type-Dropper Seatpost Rear Derailleur Mount Type 10x1Wolf Tooth Performance Headset ZS44 28. 6 Upper 6mm Stack Red. 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 Red S. H. I. S Upper ZS44 Upper Stack