It appears you're interested in specifications for the Harley-Davidson Street 500 Dark Custom. This Custom / cruiser model is powered by a Liquid-cooled, Revolution X™ V-Twin V2, four-stroke engine with 491.64 ccm (30.00 cubic inches) of actual displacement before 11.0:1 compression. Fueling is metered via Injection. Mikuni Single Port Fuel Injection, 35 mm bore. allowing this machine to produce its horsepower and 40.00 Nm (4.1 kgf-m or 29.5 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Street 500 Dark Custom is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 100/80-R17 and the rear is 140/75-R15 . 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. Twin piston, floating caliper, optional ABS front brakes and Single disc. Twin piston, floating caliper, optional ABS rear brakes. The Harley-Davidson Street 500 Dark Custom 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.