Sturmey archer RXRC5 CB 5sp Hub Kit internal geared hub 32H 135

5-Speed internal gear coaster brake hub with gear ratio of 243%. Gear steps of 25% 25% 25% and 25% . Rotary gear selector without protrusions outside the frame. Designed for heavy duty use. 6061 Aluminium hub shell . Compatible with 16 to 22 teeth sprocket