It appears you're interested in specifications for the UM Xtreet RC. This Naked bike model is powered by a Single cylinder, four-stroke engine with 124.20 ccm (7.58 cubic inches) of actual displacement before 9.5:1 compression. Fueling is metered via Injection. Mikuni allowing this machine to produce its 13.00 HP (9.5 kW) horsepower and 9.20 Nm (0.9 kgf-m or 6.8 ft.lbs) torque. According to our records engine heat of the UM Xtreet RC 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 2.75-17 and the rear is 120/80-17 . The entire package is supported by the frame, Steel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Hydraulic. front brakes and Single disc. Hydraulic. rear brakes. The UM Xtreet RC was launched in 2018, 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.