It appears you're interested in specifications for the BMW HP4 Race Prototype. This Sport model is powered by a Titanium valves In-line four, four-stroke engine with 999.00 ccm (60.96 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its horsepower and torque. According to our records engine heat of the BMW HP4 Race Prototype is moderated by Oil & air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 120/70-17 and the rear is 190/55-17 . The entire package is supported by the frame, Carbon fibre. 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 BMW HP4 Race Prototype was launched in 2017, 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.