It appears you're interested in specifications for the Triumph Speedmaster. This Custom / cruiser model is powered by a Twin, four-stroke engine with 865.00 ccm (52.78 cubic inches) of actual displacement before 9.2:1 compression. Fueling is metered via Carburettor. Twin carburettors with throttle position sensor and electric carburettor heaters allowing this machine to produce its 55.00 HP (40.1 kW) horsepower and 68.00 Nm (6.9 kgf-m or 50.2 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 and the rear is . 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. 2-piston calipers front brakes and Single disc. 2-piston calipers rear brakes. The Triumph Speedmaster was launched in 2005, 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.