External Bottom Bracket Socket, 16x44 rotor tuner each wrench has been redesigned

each wrench has been redesigned from the ground up

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

6463038 - 8mm Hex Driver II

this proven design continues to win acclaim from editors and riders alike

External Bottom Bracket Socket, 16x44 rotor tuner each wrench has been redesignedSocket 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.