HOLLOWTECH II (第二代中空技术) 曲柄组
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BENEFIT
- HOLLOWTECH II (第二代中空技术) 设计，带有新支架
- 轻量但刚性强的曲柄设计
- 更窄Q因素，踩踏更顺畅
- 钢制脚踏螺纹
- 曲柄长度: 165mm, 170mm, 175mm, 180mm
- 可选齿数: 34/38/41/42/43/44/46T
- 链条中心线: 44mm
- 68mm五通兼容
- 链条尺寸: 1/2x3/32
相关技术
产品规格
| 型号 | FC-MX71 |
|---|---|
| 系列 | SHIMANO DXR MX70 系列 |
| Color | Series color, - |
| Average weight | 765 g (w/o chainring) |
| 2-piece crank construction | X |
| Chain line (mm) | 44 |
| Chain ring combination | 34, 38, 41, 42, 43, 44, 46T |
| Compatible BB type_Outboard | X |
| Compatible BB type | Outboard |
| Compatible chain | 单速 |
| Crank Arm Length | 165, 170, 175, 180 |
| Crank fixing bolt included | X |
| Crank arm length (mm)_165.0 | X |
| Crank arm length (mm)_170.0 | X |
| Crank arm length (mm)_175.0 | X |
| Crank arm length (mm)_180.0 | X |
| Gear arms | 4 臂 |
| HOLLOWTECH II | X |
| HOLLOWTECH crank arm | X |
| Optional chain guard_Without chain / bash guard | X |
| Optional Chain Guard | Without chain / bash guard |
| P.C.D. (mm) | 104/64 |
| Rear speeds | 1 |
| Threaded BB shell width_68mm | X |
| Threaded BB shell width_73mm | X |
| Threaded BB Shell Width | 68mm, 73mm |
| Crank arm fixing bolt_With | X |
| Includes Crank Arm Fixing Bolt | Yes |
| Q-factor (mm) | 173 |