It appears you're interested in specifications for the Janus Halcyon 450. This Allround model is powered by a Single cylinder, four-stroke engine with 445.0 ccm (27.15 cubic inches) of actual displacement before 10.1:1 compression. Fueling is metered via Carburettor. Electronic injection allowing this machine to produce its 30.0 HP (21.9 kW) @ 7500 RPM horsepower and torque. According to our records engine heat of the Janus Halcyon 450 is moderated by Air. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 4.00-18 and the rear is 4.50-18 . The entire package is supported by the frame, DOM tubular steel cradle. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Two-piston caliper Brembo front brakes and Single disc. Single Piston caliper brembo rear brakes. The Janus Halcyon 450 was launched in 2021, 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.