Track Cycling Derny Bike

Track Cycling Derny Bike
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Velodrome Shop

Description

UCI approved Derny as used at 2012 London Olympics in the Keirin. With standard specification, 98 cc (6.0 cu in) Zurcher two-stroke petrol engine with a maximum speed of 50 km/h (31 mph) from the 70 teeth on the front chainring and 11 on the sprocket on the back wheel.