It appears you're interested in specifications for the Harley-Davidson Dyna Fat Bob Dark Custom. This Custom / cruiser model is powered by a Air-cooled, Twin Cam 103™ V2, four-stroke engine with 1687.97 ccm (103.00 cubic inches) of actual displacement before 9.6:1 compression. Fueling is metered via Injection. Electronic Sequential Port Fuel Injection allowing this machine to produce its horsepower and 135.60 Nm (13.8 kgf-m or 100.0 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Dyna Fat 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 130/90-B16 and the rear is 180/70-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 Double disc. 4-piston fixed front brakes and Single disc. 2-piston torque-free floating rear brakes. The Harley-Davidson Dyna Fat Bob Dark Custom was launched in 2014, 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.