3 Speed 70mm Drum Brake Rear Hub
FEATURES
• 3-Speed internal gear hub with gear ratio of 177%
• Gear steps of 33% and 33% 
• Rotary gear selector without protrusions outside the frame
• A356 Aluminium hub shell 
• 36 Spoke holes
• Compatible with 17 to 19 teeth sprocket
• Natural alloy finish
• Weight - 1440g
Gear Ratio
• Overall Range - 177%
• Gear 1 - 75% (Gear 2 - 25%%)
• Gear 2 - 100% (Direct Drive)
• Gear 3 - 133% (Gear 2 + 33%)