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FRONT CHAINWHEEL, FC-R8100, ULTEGRA, FOR REAR 12-SPEED, HOLLOWTECH 2
OUTER RING MATERIAL Aluminum/ CFRP
CRANK AXLE MATERIAL Steel
AVERAGE WEIGHT 700g,711g
THREADED BB SHELL WIDTH 68/70
CRANK ARM FINISH Anodized
COMPATIBLE BB TYPE Outboard
CRANK A
FRONT CHAINWHEEL, FC-R8100, ULTEGRA, FOR REAR 12-SPEED, HOLLOWTECH 2
| OUTER RING MATERIAL | Aluminum/ CFRP |
| CRANK AXLE MATERIAL | Steel |
| AVERAGE WEIGHT | 700g,711g |
| THREADED BB SHELL WIDTH | 68/70 |
| CRANK ARM FINISH | Anodized |
| COMPATIBLE BB TYPE | Outboard |
| CRANK AXLE FINISH | Plated |
| GEAR ARMS | 4 |
| COMPATIBLE CHAIN | CN-M8100 |
| SERIES | Ultegra |
| INNER RING MATERIAL | Aluminum |
| GENERATION | R8100 |
| INNER RING FINISH | Anodized |
| CRANK ARM LENGTH | 160,165,170,172.5,175 |
| CHAIN RING COMBINATION | 50-34,52-36 |
| OUTER RING FINISH | Anodized |
| CRANK ARM MATERIAL | Aluminum |