The Harley-Davidson Dyna Switchback model is a Touring bike manufactured by Harley-Davidson . In this version sold from year 2015 , the dry weight is 315.7 kg (696.0 pounds) and it is equipped with a V2, four-stroke motor. The engine produces a maximum peak output power of 75.10 HP (54.8 kW)) @ 5000 RPM and a maximum torque of 126.00 Nm (12.8 kgf-m or 92.9 ft.lbs) @ 3500 RPM . As for stopping power, the Harley-Davidson Dyna Switchback braking system includes Double disc. 4-piston fixed. ABS. size at the front and Single disc. 2-piston torque-free floating. size at the back.