SHIMANO Deore MTB SM BB52 Hollowtech II Mountain Bike Bottom Bracket 68/73mm BB-MT501 Mountain Bicycle Bottom Brackets
Deore BB52
Model:SM-BB52
Suit:M4050/T4060/M612/M6000/M4100/M5100/M6100 ect.
Origin : JP(Origin)
Material : Alloy
Model Number : BB52/BB91
Use : Mountain Bikes
Brand Name : SHIMANO