Hero Motocorp Duet Bike Price in Bangladesh February 2020. Which Engine Type is Air-Cooled, 4-Stroke Single Cylinder OHC. This bike is powered by the 110.9 cc (cc) Engine. Hero Motocorp Duet Generates Maximum Power 8.31 bhp @ 8000 rpm and it's Maximum Torque is 8.30 Nm @ 6500 rpm. Transmission duties are taken care of by a Variomatic Drive (2.51 - 0.85) Gearbox. Hero claims that the bike offers a mileage of 63.8 Kmpl (approx). Hero Motocorp Duet Front Suspension is Bottom Link with Spring Loaded Hydraulic Damper and Rear Suspension is Unit Swing with Spring Loaded Hydraulic Damper. Hero Motocorp Duet Price is 0.00 Taka (approx). Click Here to find Hero Motorcycle Showrooms in Bangladesh.