The perfect tyre when responsiveness makes the differencethe new yksion pro powerlink is designed to speed the bike up optimized for rear wheel use its compound supple nylon casing reinforcement and tread pattern are specifically designed to increase rolling efficiency making it one of the fastest tyre available in 25 mm ssc or white labels key benefits powerlink super low rolling resistance speed optimized tread designhigh casing density 127 tpi super light with comfortable volume 190