External Bottom Bracket Socket, 16x44 Pedal Spanner Compatible with most 6-13 speed

Compatible with most 6-13 speed derailleur chain master links including SRAM® Eagle 12-speed and Flattop chains

We suggest using our Toothbrush or Parts Cleaning Brush (Pro Brush Kit)

Toothbrush Drivetrain Brush

2_User Manual PDF

External Bottom Bracket Socket, 16x44 Pedal Spanner Compatible with most 6-13 speedSocket 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.