3-Speed 90mm drum brake internal gear hub with an overall gear ratio of 177%. Gear steps of 33%. Rotary gear selector without protrusions outside the frame. A356 Aluminium hub shell . Compatible with 17 to 19 teeth sprocket. Natural alloy finish. Includes
3-Speed 90mm drum brake internal gear hub with an overall gear ratio of 177%. Gear steps of 33%. Rotary gear selector without protrusions outside the frame. A356 Aluminium hub shell . Compatible with 17 to 19 teeth sprocket. Natural alloy finish. Includes trim kit with 18T sprocket and TSC34 twist shifter. Axle length 185mm
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