ZEPHYR-551
| CRANK LENGTH 曲柄长度 |
165MM /170MM /175MM |
| CHAINRING 齿片 |
38-24T / 36-22T |
| CRANK MATERIAL 曲柄材质 |
FORGED AL-6061-T6 |
| CRANK FINISH 曲柄涂层 |
SAND BLACK |
| COMPATIBILITY 变速兼容 |
10S |
| B.C.D. 螺丝分布直径 |
104 / 64MM |
| CHAINLINE 链条中心线 |
48.5MM |
| CHAINRING MATERIAL 齿片材质 |
ALLOY (38T, 36T) / STEEL (24T, 22T) |
| CHAINRING FINISH 齿片涂层 |
BLACK SAND ANO. (38T, 36T) BLACK (24T, 22T) |
| Q-FACTOR / I-FACTOR 曲柄后下叉距离 |
176 / 146MM |
| B.B. TAPER SQUARE 四方孔轴心 |
113MM |
| LD-529 |
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