It appears you're interested in specifications for the Harley-Davidson V-Rod Muscle. This Custom / cruiser model is powered by a Liquid-cooled, Revolution®, 60° V-Twin V2, four-stroke engine with 1250.08 ccm (76.28 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Injection. Electronic Sequential Port Fuel Injection allowing this machine to produce its horsepower and 117.97 Nm (12.0 kgf-m or 87.0 ft.lbs) torque. According to our records engine heat of the Harley-Davidson V-Rod Muscle is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is MT90-ZR19 and the rear is MU85-R18 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 4-piston front brakes and Single disc. 2-piston rear brakes. The Harley-Davidson V-Rod Muscle was launched in 2013, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.