External Bottom Bracket Socket, 16x44 rotor tuner Fits 6-notch Campagnolo® Bottom Bracket

Fits 6-notch Campagnolo® Bottom Bracket Cups

a dual head design with thumb-lock lever for easily switching between presta/schrader tube valve types

with thoughtful consideration to allow the flexibility mechanics want and need to customize their personal setups

plus a BB Bushing Spacer for enhanced flexibility

External Bottom Bracket Socket, 16x44 rotor tuner Fits 6-notch Campagnolo® Bottom BracketSocket Tool For 16 notch x 44mm External Bearing BB Cups and Disc Brake Lockrings Fits all 16 notch x 44mm external bearing bottom bracket cups and updated design also fits 16 notch x 44mm disc brake lockrings and Shimano TL FC24 and TL FC25 adapters. Updated design features a square 3 8" drive. Also works with Pedro's snap channel Pro Socket Handle, 24mm socket or wrench, or in a bench vise. Professional quality, precision sized for the perfect fit.