SHIMANO FC-R8000 50-34 CRANK
FRONT CHAINWHEEL, FC-R8000, ULTEGRA, FOR REAR 11-SPEED, HOLLOWTECH-2, 170MM 50-34T, W/O BB
Optimized lightweight crank arm design produces excellent power transfer efficiency
HOLLOWTECH II
Redesigned FC for greater frame compatibility
Rider tuned gear performance through various gear combinations
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
Possible to choose the best choice for ride
46-36T, 50-34T, 52-36T, 53-39T
Minimized weight without sacrificing stiffness
165, 170, 172.5, 175mm
| OUTER RING MATERIAL | Aluminum/CFRP,Aluminum |
| AVERAGE WEIGHT | 674g,681g,690g,668g |
| THREADED BB SHELL WIDTH | 68,70 |
| CRANK ARM FINISH | Anodized |
| COMPATIBLE BB TYPE | Outboard |
| GEAR ARMS | 4 |
| COMPATIBLE CHAIN | HG-EV|11|Speed/|HG-X11 |
| SERIES | Ultegra |
| INNER RING MATERIAL | Aluminum |
| GENERATION | RS500,R8000 |
| CRANK ARM LENGTH | 165,170,172.5,175 |
| CHAIN RING COMBINATION | 50-34,52-36,53-39,46-36 |
| CRANK ARM MATERIAL | Aluminum |
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