(BB) Bottom Bracket

Shimano ID Guide (CN) Chain (DH) Dynamo Hub (RT) Disc Rotor (SH) Shoes (BB) Bottom Bracket (BL) Brake Lever (BR) Disc Brake Calliper (BR) Rim Brake Calliper (CS) Cassette (FC) Crankset (FD) Front Derailleur (FH) Rear Hub (HB) Front Hub (PD) Pedal (RD) Rear Derailleur (SG) Alfine / Nexus Internal Gear Hubs (SL) Shift Lever (ST) STI Shifter Lever (WH) Wheelset