SHIMANO Nexus SG-3R40 3-Speed for Roller Brake 36H 120 x 170mm Silver Internal Hub
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SHIMANO Nexus SG-3R40 3-Speed for Roller Brake 36H 120 x 170mm Silver Internal Hub
The Shimano Nexus SG-3R40 is a 3-speed internally geared rear hub designed for urban and commuting bicycles. It offers a reliable 3-speed mechanism with a total gear ratio of 186%, providing versatility for various terrains. The hub is equipped with a corrosion-resistant coating, ensuring durability and longevity. Designed for use with Shimano's Roller Brake system, it delivers consistent and low-maintenance braking performance.
Internal Gear Shifting: Allows gear changes independent of pedaling, enabling shifts while stationary, coasting, or pedaling.
Silent Clutch Mechanism: Ensures smooth and quiet operation during rides.
Corrosion-Resistant Coating: Enhances durability, making it suitable for various weather conditions.
Model Number: SG-3R40
Speeds: 3
Gear Ratio Total: 186%
Gear Ratios:
1st Gear: 0.733
2nd Gear: 1.000
3rd Gear: 1.364
Spoke Holes: 36H
Over Locknut Dimension (O.L.D.): 120mm
Axle Length: 170mm
Axle Diameter: 3/8" (9.5mm)
Brake Compatibility: Roller Brake
Weight: Approximately 885g
Original SHIMANO parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.