OCTALINK（八角花键中轴安装）曲柄组 (2x9速)
-
BENEFIT
- HYPERDRIVE SG-X链轮片
- 轻量，顺畅的变速，适合初级骑行者
- 适当的齿数组合50-34T
- BB-ES300
- 曲柄长度: 170mm, 175mm
- 颜色选择 : 黑色，银色
相关技术
产品规格
| 型号 | FC-R345 |
|---|---|
| 系列 | SHIMANO SORA 3500 Series |
| Color | Silver, Black |
| Threaded BB shell width_70mm | X |
| Axle length of BB-UN/ ES (mm)_Threaded (normal) | 113 |
| Chain line (mm) | 43.5 |
| Chain ring combination | 50-34T |
| Compatible BB type_Octalink | X |
| Compatible chain | HG 9 速 |
| Crank fixing bolt included | X |
| Crank arm length (mm)_170.0 | X |
| Crank arm length (mm)_175.0 | X |
| Gear arms | 5 |
| OCTALINK technology | X |
| Optional chain guard_With bash guard | X |
| Optional chain guard_Without chain / bash guard | X |
| P.C.D. (mm) | 110 |
| Rear speeds | 9 |
| Recommended BB_Threaded (normal) | BBES300 |
| Threaded BB shell width_68mm | X |
| Crank arm fixing bolt_With | X |
| Q-factor (mm) | 152.2 |