Shimano Ultegra 105 SM BBR60 staffa inferiore filettata BSA Hollowtech II bici da strada

Spindle Interface Type :Hollowtech II. HOLLOWTECH II BB_Threaded BB type - 1pcs 105 SM-BBR60 BSA Bottom Bracket. SERIES:SHIMANO 105 R7000 Series. Threaded BB shell width_68mm Type:Bottom Bracket. Small ball bearing.

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