Precision CNC machined aluminum tool for the installation and removal of 16-notch external bearing bottom brackets. Featuring updated tooth profiles to optimize the fit between the tool and high performance BB parts. Anodized and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8" drive.

16 notch 39mm OD cups
Fits: Shimano® XTR® BB93, Dura-Ace® BB9000, Token®
Added depth to fit chainring lockrings on Shimano® STEPS square spindle e-bike systems including E6000, E6002, & E6050
Replacement for Shimano TL-FC38 tool