R9 前變速器 3×9
R9 前變速器 3×9
Making front derailleurs that work well is equal parts art and science. We combine meticulous design details with precision manufacturing to deliver front derailleurs that shift predictably and smoothly. Stiff, strong mounting hardware and sensible cable routing round everything out into an easy to use package.
產品特色
- Precision forged steel shifting plate
| 系列 | R-Series, R9 |
|---|---|
| 速別 | 9 速 |
| 大盤速別 | 3x Triple |
| Mount Options | 直鎖式 (FD-R353-F)，束環式 34.9 (FD-R353-B) (31.8 束圈墊片) |
| Cable Route | 下拉式 |
| Chainstay Angle | 63-66° |
| Capacity | 20T |
| Top Gear Teeth | 50T |
| Chainring Size | 50-39-30T |
| Chainline | 45 mm |
| 外觀顏色 | Anodized Black (BK), Polished Silver (SV) |
| Outer Link Material | Aluminum |
| 相容性 | Shimano 公路車 |
| 重量 | 115g (F), 140g(B) |