1)Water cooling , 4-valve ,20KW,strongest power 2)TAIWAN upside down shock absorber,fashionable degital meter, biggest tyre ENGINECHASSISTypeSingle cylinder 4-stroke , 4 valveTires110/70-17&140/70-17Max Power(kw/r/min)19.5kw/9000rpmRimAlloy wheelTorque(Nm/r/min)23N.m/7,000rpmshock absorberFr. Upside down ,Rr centerCompression ratio9.0:1Transmissionchainbore×stroke(mm)76 x 55 mmBrakeDisc / ...