产品规格

型号 SM-BB93
系列 SHIMANO XTR M9000 系列
Average weight 73 g
Threaded BB shell width_73mm X
HOLLOWTECH II BB_Threaded BB type X
HOLLOWTECH II BB Type Threaded
Small ball bearing X
Threaded BB shell width_68mm X
Threaded BB Shell Width 68, 73