This bike engine is used petrol. and its is racing bike and comfort to drive by rider.its is milege petrol 1 lit/40 k.m.and its bike speed miter is 140 km/hour.present time its bike tire tube less and very strong.then long life and no expensive.this have front break is disk break and hydrolic break then its stop in mimimum distance with rider sefty.its bike meter is digital then very usefull and it powerfoll engin and self start.or its bike easy start with cick.its look very actriactive .and its bike per year new models provide coustmer.