CHARM-FD04S
| CRANK LENGTH 曲柄长度 |
127MM / 140MM /155MM |
| CHAINRING 齿片 |
34T / 32T / 30T / 28T |
| CRANK MATERIAL 曲柄材质 |
FORGED AL-6061-T6 |
| CRANK FINISH 曲柄涂层 |
SAND BLACK |
| COMPATIBILITY 变速兼容 |
11S / 10S |
| B.C.D. 螺丝分布直径 |
76MM |
| CHAINLINE 链条中心线 |
50MM / 53MM (BOOST) |
| CHAINRING MATERIAL 齿片材质 |
STEEL |
| CHAINRING FINISH 齿片涂层 |
BLACK |
| Q-FACTOR / I-FACTOR 曲柄后下叉距离 |
171.4 / 144.4MM |
| B.B. TAPER SQUARE 四方孔轴心 |
122.5MM |
| LD-524 | BOOST 148 COMPATIBLE (CHARM-FD04S-B) |
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