Continental Grand Prix Supersonic
Continental tells us that the Grand Prix Supersonic is the fastest clincher in the world. This featherweight tire offers exceptionally low rolling resistance that rivals that of Continental’s renowned tubulars. It combines a super-fine Polyamide casing with ASC Silica tread compound. . Weight 150g (700x20) 170 PSI max. 160g (700x23) 145 PSI max.