SRAM Red 10 Speed Rear Derailleur B-Bolt Kit - 11.7515.016.000
SRAM Red 10 Speed Rear Derailleur B-Bolt Kit - 11.7515.016.000, SRAM Derailleur B-bolt/Axle Kits. Features: B-bolt/axle kit includes aluminum B-bolt/axle, dust shield, and ring clip Specs: Model:08-11 Red Description:B-bolt/axle kit