CR50 bicycle engine kit
Bore & stroke: 40x40mm=48cm3, petrol oil mixed engine oil, sparking plug, power. Rotary speed: 1.15-1.6 kw / 8000r / min, 1.6-3 horsepower / min, speed: 50-60km / hour, we go through the ISO9002 certification, and we assure 3 using year for our buyers.