OCR frames tend to be comfortable, compressed, equipped with curved handles, and cheap, suitable for entry, suitable for sports and fitness.

FCR is a graded highway, which is suitable for dealing with complex urban road conditions and can also be used for sports and fitness.

Yi is also a first-class highway, but it is more suitable for urban commuting.

If you really want to experience the fun of road cars, OCR or even more advanced TCR will be the best choice.