Roadmaster Rapido Bike Price in Bangladesh 2020. Which Engine Type is Four stroke, Single cylinder, Air cooled. This bike is powered by the 150 cc (cc) Engine. Roadmaster Rapido Transmission duties are taken care of by a 5 Speed Gearbox. Roadmaster claims that the bike offers a mileage of 50 Kmpl (approx). Roadmaster Rapido Front Suspension is Telescopic and Rear Suspension is Mono Suspension. Roadmaster Rapido Price is 156,900.00 Taka (approx). Click Here to find Roadmaster Motorcycle Showrooms in Bangladesh.