It appears you're interested in specifications for the Triumph Speedmaster. This Custom / cruiser model is powered by a In-line three, four-stroke engine with 865.00 ccm (52.78 cubic inches) of actual displacement before 9.2:1 compression. Fueling is metered via Carburettor. Multipoint sequential electronic fuel injection with forced air induction allowing this machine to produce its 54.00 HP (39.4 kW) horsepower and 51.00 Nm (5.2 kgf-m or 37.6 ft.lbs) torque. According to our records engine heat of the Triumph Speedmaster is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 110/80-18 and the rear is 170/80-15 . The entire package is supported by the frame, Tubular steel cradle. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc front brakes and Single disc rear brakes. The Triumph Speedmaster was launched in 2008, 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.