Park Tool Bottom Bracket Tool BBT-49.3 drumbeat21-735 - Robust aluminum body

- Robust aluminum body

matched to quality disc brakes and Shimano gear should see it getting passed down from sibling to sibling

heat-treated chromoly steel with a return spring and vinyl-dipped grips

flexibility and visibility are the key words for the Kiox 300 and the LED remote

Park Tool Bottom Bracket Tool BBT-49.3 drumbeat21-735 - Robust aluminum bodyFits 16 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39 40 mm and a minor diameter (inside of notches) of 37. 6 mm, including: Shimano XTR BB93 Shimano Dura Ace BB9000 Token Also fits chainring lockrings on Shimano STEPS square spindle e bike systems including: E6000 E6002 E6050 Replacement for Shimano TL FC38 tool