产品规格
| 型号 | SG-3R40 |
|---|---|
| 系列 | SHIMANO NEXUS INTER-3 |
| Color | Silver, -, - |
| Average weight | 885 g |
| Bike Type_Mount Type | INTER-M |
| Bike Type_Recommnended Model | BR-C3010 BR-C3000 BR-IM31 （针对日本的规格） |
| Speeds | 3 |
| Gear ratio_Total | 186% |
| Gear ratio_1 | 0.733 |
| Gear ratio_2 | 1.000 |
| Gear ratio_3 | 1.360 |
| Shifting power modulator | X |
| w/ Left hand dust cap | 120/127/130 |
| Spoke hole_28H | X |
| Spoke hole_32H | X |
| Spoke hole_36H | X |
| Axle length (mm)_182 | X |
| Axle length (mm)_184 | X |
| Axle length (mm)_Others | 170/177/189/192 |
| Shifting Structure | Low Normal |
| Axle Length | 182mm, 184mm, 170/177/189/192mm |
| Driving efficiency | 标准型 |
| Flange diameter (mm) | 53 |
| Flange width (mm)_Left | 2.3 |
| Flange width (mm)_Right | 2.3 |
| Gear change support mechanism | X |
| O.L.D. (mm) | 120.4/126.8 |
| Offset (mm) | 0.8 |
| P.C.D. (mm) | 74 |
| Spoke Hole | 28H, 32H, 36H |
| Spoke size | #13 / #14 |
