It appears you're interested in specifications for the Triton Reactor 450. This ATV model is powered by a Single cylinder, four-stroke engine with 449.00 ccm (27.40 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 37.55 HP (27.4 kW) horsepower and torque. According to our records engine heat of the Triton Reactor 450 is moderated by Liquid. 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 21/7-10 and the rear is 20/11-9 . 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. Wave front brakes and Single disc. Wave rear brakes. The Triton Reactor 450 was launched in 2015, 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.