It appears you're interested in specifications for the Boom Trikes V1 Firebird. This Custom / cruiser model is powered by a Single cylinder, four-stroke engine with 459.00 ccm (28.01 cubic inches) of actual displacement before compression. Fueling is metered via Injection allowing this machine to produce its 40.00 HP (29.2 kW) horsepower and torque. According to our records engine heat of the Boom Trikes V1 Firebird is moderated by . You'll need to get familiar with the Automatic transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 170/60-17 and the rear is 295/50-15 . The entire package is supported by the frame, 2-parted tubular frame, bolted. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc. Self-adjusting, ventilated rear disc brakes rear brakes. The Boom Trikes V1 Firebird was launched in 2011, 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.