SHIMANO NEXUS - Internal Geared Rear Hub - Roller Brake - O.L.D 120.4/126.8 mm - 3-speed
The SHIMANO NEXUS SG-3R40 hub offers a reliable 3-speed mechanism, a SILENT CLUTCH, and roller brake.
- Internal Gear Shifting
- Gear shifting action is independent of pedaling. You can shift gears anytime, while standing still, pedaling or coasting
- Shift Modulator Mechanism
- Smoothes out the shifting action while pedaling
- Gear Change Support Mechanism
- Weight: 885g
- Color options: Black, Silver, White
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | SG-3R40 |
|---|---|
| SERIES | 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 (specification for Japan) |
| Speeds | 3 |
| Gear ratio_Total | 186% |
| Gear ratio_1 | 0.733 |
| Gear ratio_2 | 1 |
| Gear ratio_3 | 1.364 |
| Shifting power modulator | ✔ |
| Spoke hole_28H | ✔ |
| Spoke hole_32H | ✔ |
| Spoke hole_36H | ✔ |
| Axle length (mm)_182 | ✔ |
| Axle length (mm)_184 | ✔ |
| Axle length (mm)_Others | 170/177/189/192 |
| Shifting Structure | Low Normal |
| Driving efficiency | Standard |
| Flange diameter (mm) | 84 |
| Flange width (mm)_Left | 2.3 |
| Flange width (mm)_Right | 2.3 |
| Gear change support mechanism | ✔ |
| O.L.D. (mm) | 120/127/130 |
| Offset (mm) | 0.8(120mm Axle) / 2.5 |
| P.C.D. (mm) | 74 |
| Spoke size | #13/#14 |
| Flange distance (mm) | 53 |
SERIES LINE-UP
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Shifting Lever SHIMANO NEXUS RAPIDFIRE PLUS Shifting Lever (3-speed)
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Bottom Bracket Square Type Bottom Bracket
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Bottom Bracket Square Type Bottom Bracket
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Bottom Bracket Square Type Bottom Bracket
