Roadmaster Prime 100 Bike Price in Bangladesh 2020. Which Engine Type is Single Cylinder, Wind Cooling, Four Strokes. This bike is powered by the 100 (cc) Engine. Roadmaster Prime 100 Transmission duties are taken care of by a 4 Speed Gearbox. Roadmaster claims that the bike offers a mileage of 70 Kmpl (approx). Roadmaster Prime 100 Front Suspension is Telescopic and Rear Suspension is Twin Shocks. Roadmaster Prime 100 Price is 80,900.00 Taka (approx). Click Here to find Roadmaster Motorcycle Showrooms in Bangladesh.