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 |
