Description
Specifications:
| 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 |
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