It appears you're interested in specifications for the Harley-Davidson Softail Street Bob Dark Custom. This Custom / cruiser model is powered by a Twin Cam 103™ V2, four-stroke engine with 1690.00 ccm (103.12 cubic inches) of actual displacement before 9.6:1 compression. Fueling is metered via Injection. Electronic Sequential Port Fuel Injection (ESPFI) allowing this machine to produce its 86.00 HP (62.8 kW) horsepower and 127.00 Nm (12.9 kgf-m or 93.7 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Softail Street Bob Dark Custom is moderated by Air. 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 100/90-B19 and the rear is 150/80-B16 . 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. Optional ABS. 4-piston front brakes and Single disc. Optional ABS. 2-piston rear brakes. The Harley-Davidson Softail Street Bob 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.