จาน ULTEGRA FC-R8000 2ชั้น 50-34T ขาจาน 170 หรือ 172.5ไม่รวมกะโหลก
Model Number | FC-R8000 |
Series | ULTEGRA |
Crank Construction | HOLLOWTECH II |
Crank Arm Length | 170 / 172.5 mm |
Bottom Bracket | SM-BBR60/SM-BBR60-PB |
Chain Line | 43,5 |
Average Weight | 674 g (50-34T) |
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