Nexus SG-3D55 Internally Geared Disc Brake

Shimano Nexus SG-3D55 3-Speed Disc Brake Internally Geared Hubs

• Recommended gear ratio: 2.0-2.65 to 1
• Not intended for off-road use as standing on the pedals, riding up steep hills or using an too low of a gear ratio may damage the pawls inside the hub
• Rotor lockring not included