The modern classic it is not only visually that the authentic design of the grand prix classic upgrades any retro race bike or modern for that matter its whats inside that also counts after all this new addition to the continental range with its brown sidewalls and conti sport tread profile from 1982 is actually based on the current grand prix tyre thanks to a polyx breaker highly stable and fine 180 tpi nylon carcass and the legendary blackchili compound it presents itself technical