Park Tool Bottom Bracket Tool BBT-49.3 Size:NONE - Newest MIPS Brain Protection

- Newest MIPS Brain Protection System

Closure Closure system with laces

Designed for use with dual Grip / Revolution shifters

with a second-skin-like fit to support your quest for PR's and adventures on the road or gravel

- The 100-3D Micro-Adjust clamp grips nearly any tube from 7/8" to 3" (23-76mm)

Park Tool Bottom Bracket Tool BBT-49.3 Size:NONE - Newest MIPS Brain ProtectionFits 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