The bicycle engine is feasible to mount. we produce 448cc,70cc,80cc(2-stroke)and we also produce48cc(4-stroke) high quality Bicycle Engine mode: F60Engine type Single cylinder,Air-cooled,2strokeBoreĆstoke 45*40Displacement 70CCMax.Powe(kw/rpm) 1.2/6500Ignition Mode CDIStart mode Hand-operatedGW 10KgDimensions 42*31*17.5cmwith EPA exhaust e-bicycle engine 48cc,70cc,80cc