Shimano BB-UN101 Square Type Bottom BracketShimano BB UN101 MTB Mountain Bike Square Taper Bottom Bracket 68x123mm BSA Sealed Cartridge Model: BB UN101 Fits shell length: 68mm Total length: 123mm Shell thread: BC1. 37 Weight: approximate 280g Square Tapered Axle Sealed cartridge keeps out dirt and water Easy installation

Compatible chain: HG-X11 11-speed

teeth large sprocket: 45TMax

Teeth: 40-30-22T

Pad Standard           : B01S Resin

40 % more wear resistant than its predecessor G02A

Easy handling & operation for entry level riders

On the one side it is flat for using street shoes

Colour- Black as shown in the picture

SHIMANO SLX RD M7120 12 Speed Rear Derailleur RD-M7120-SGS

Technology:

KMC Listed Weight:  262-grams

Shimano has redesigned the 105 line of components to keep it up to date with the ever-evolving industry standards