US$ 35.00
In case you still like to stop w/out using your feet
& low rolling resistance in the straights
3mm long x 11mm wide
Dropouts: 6mm thick
Inflated Diameter: 19
Ares Solid Sprocket (23T) Ankle Support In case you still likeStyle: 19mm 48 Spline Material: 7075 T6 aluminum, CNC machined Size: 23T Axle Diameter: 19mm Thickness: 5mm Teeth: For 1 8" Chains Only Weight: 2. 4oz 67Grams