Park tool BBT-9 Bottom Bracket and Lockring Tool Exar the rear derailleur hanger and

the rear derailleur hanger and derailleur hanger are better protected in the event of falls

Adjustment barrel

it's the Spark 940

neither is your ride

Park tool BBT-9 Bottom Bracket and Lockring Tool Exar the rear derailleur hanger andThe Park Tool BBT 9 is used to remove and install select threaded bottom brackets with 16 notch tool fittings, including Shimano, SRAM GXP, Campagnolo, and many others. This tool fitting is also found on some disc brake rotor lockrings. Additionally, the BBT 9 includes a tool that removes and installation of 8 point Shimano Hollowtech II crank arm adjusting caps. The long, plated steel handle offers good leverage for high torque applications and is