RPN-621C-TT-N
| CRANK LENGTH 曲柄长度 |
170MM / 172.5MM / 175MM |
| CHAINRING 齿片 |
50-34T |
| BB SETS BB组 |
PW-BB68+ / PW-BB86 |
| CRANK MATERIAL 曲柄材质 |
FORGED AL-6061-T6 |
| CRANK FINISH 曲柄涂层 |
BLACK SAND ANO. |
| COMPATIBILITY 变速兼容 |
10S / 9S |
| B.C.D 螺丝分布直径 |
110MM |
| CHAINRING MATERIAL 齿片材质 |
ALLOY |
| CHAINRING FINISH 齿片涂层 |
CNC DETAIL, BLACK SAND ANO. |
| Q-FACTOR / I-FACTOR 曲柄后下叉距离 |
158 / 131MM |
| LD-539 |
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