曲柄组 (2x9速)
FC-M4050-B2
FC-M4050-B2
产品规格
| 型号 |
FC-M4050-B2 |
| 系列 |
SHIMANO ALIVIO M4000 系列 |
| Color |
Series color, - |
| 2-piece crank construction |
X |
| Chain line (mm) |
51.8 |
| Chain ring combination |
36-22T |
| Compatible BB type_Outboard |
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 |
4 臂 |
| Optional chain guard_Without chain / bash guard |
X |
| P.C.D. (mm) |
104/64 |
| Rear speeds |
9 |
| Recommended BB_Pressfit |
BB-MT500-PA |
| Recommended BB_Threaded (normal) |
SM-BB52 |
| Threaded BB shell width_68mm |
X |
| Threaded BB shell width_73mm |
X |
| Crank arm fixing bolt_With |
X |
| Q-factor (mm) |
176 |
