Throw Fun Into High Gear. There is no one single feature that makes the CRF230F stand apart. Instead its the combination of all its features that has made it one of the most popular trail bikes we build. Features like the bulletproof six-speed transmission. The plush Pro-Link rear suspension with long travel. The durable and right-sized 223 cc four-stroke engine. The rugged frame, lightweight materials front to back, and of course, the electric starter that gets you going with the push of a button. Add our legendary reliability and build quality to the mix, and you end up with a bike that delivers non-stop fun for adults and larger teens alike. So if you like low maintenance and ease-of-operation mixed in with your fun, then the CRF230F is the perfect bike for you.