https://www.ridewill.com/p/en/shimano-sh-rsg3r40a2070dx-internal-geared-hub-nexus-sg-3r40-3s-120-36-silver-expansion/544741/
Wheels - Accessories Hubs Internal Gear Hubs
Hubs Internal Gear Hubs
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Shipping costs: 5.90
The Shimano NEXUS SG-3R40 hub offers a reliable 3-speed mechanism, a SILENT CLUTCH mechanism and a roller brake.
- Internal change
- The shift action can be performed regardless of whether you are pedaling or not. You can change it at any time, when stationary, while pedaling or downhill
- Gearbox modulation mechanism
- Makes shifting easier while pedaling
- Servo-assisted gearbox changed
- Weight: 885 g
- Number of spokes: 36
- Gears: 3
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