It appears you're interested in specifications for the Husqvarna TC449. This Cross / motocross model is powered by a Titanium valves in radial arrangement Single cylinder, four-stroke engine with 449.00 ccm (27.40 cubic inches) of actual displacement before compression. Fueling is metered via Injection. Keihin Digital Fuel Injection allowing this machine to produce its horsepower and torque. According to our records engine heat of the Husqvarna TC449 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 80/100-21 and the rear is 110/90-19 . The entire package is supported by the frame, Double beam, double cradle and high resistance chromoly steel frame (round and elliptical). Light alloy sub 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 design disc front brakes and Single disc. Wave design disc rear brakes. The Husqvarna TC449 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.