Tubular tires. Only for use with an innertube. Heidenau K80 SR - the sporting all-rounder for scooters. The special arrangement of the profile grooves and a newly developed carcass provide the perfect ride and a very stable during rapid cornering. The K80 SR is the long-awaited news on the market for scooters tyres and features a special material mixture for excellent grip. With 60 years of experience in tyre manufacturing, the German company Heidenau is one of the leading manufacturers for motorcycle tyres. Heidenau stands for great quality tyres for scooters, Maxi-scooter, mopeds and motorcycles.