Sturmey archer RXRD3 3sp Hub & Drum Brake Kit internal geared hub rear 36H 135

3 Speed 70mm Drum Brake Rear Hub. 3-Speed internal gear hub with gear ratio of 177%. Rotary gear selector without protrusions outside the frame. A356 Aluminium hub shell with natural alloy finish. Includes trim kit and twists shifter. Compatible with 17 to 19 teeth sprocket. Weight - 1440g