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 |