5-Speed internal gear hub with gear ratio of 243%
Evenly spaced gear steps of 25%, 25%, 25% and 25% 
Rotary gear selector without protrusions outside the frame
Designed for heavy duty use
A356 Aluminium hub shell 
Compatible with a 16 to 22 tooth sprocket
Natural alloy finish
Axle: 10x135mm 13/32" nutted
Hole: 36h