It appears you're interested in specifications for the Vincent Series C Rapide. This Sport touring model is powered by a V2, four-stroke engine with 998.00 ccm (60.90 cubic inches) of actual displacement before 6.5:1 compression. Fueling is metered via Carburettor. Amal 276 allowing this machine to produce its 45.00 HP (32.8 kW) horsepower and torque. According to our records engine heat of the Vincent Series C Rapide is moderated by Oil & air. You'll need to get familiar with the 4-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 300-20 and the rear is 350-19 . The entire package is supported by the frame, Engine stressed member w/triangle rear. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake). Two 7´ drums single leading front brakes and Expanding brake (drum brake). Two 7´ drums single leading rear brakes. The Vincent Series C Rapide was launched in 1953, 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.