SRAM Rear Derailleur Torx 25 Upper B-Bolt & Limit Screws Kit (XX1, X01, X1) - 11.7518.014.000
SRAM Rear Derailleur Torx 25 Upper B-Bolt & Limit Screws Kit (XX1, X01, X1) - 11.7518.014.000, SRAM Derailleur B-bolt/Axle Kits. Features: B-bolt/axle kit includes aluminum B-bolt/axle, dust shield, and ring clip Specs: Model:XX1, X01, X1 X-Sync 11sp Description:B-bolt/axle kit