商品說明
Optimized Lightweight Crank Arm Design Produces Excellent Power Transfer Efficiency
HOLLOWTECH II
Possible To Choose The Best Choice For Ride
Wider Gear Pitch Increases Clearance Between Chain And Leading Teeth To Provide Compatibility With Frames With O.L.D. 135mm And 410mm Chain Stay Length
165, 170, 172.5, 175MM
Rider Tuned Gear Performance Through Various Gear Combinations
Redesigned Fc For Greater Frame Compatibility
46-36T, 50-34T, 52-36T, 53-39T
- Model Number: FC-R8000
- Series: ULTEGRA
- Crank Construction: HOLLOWTECH II
- Crank Arm Length: 165, 170, 172.5, 175mm
- Bottom Bracket: SM-BBR60/SM-BBR60-PB
- Chain Line: 43,5
- Average Weight: 90 g (53-39T), 681 g (52-36T), 674 g (50-34T), 668 g (46-36T)