The racer spurs you on thanks to its perfect combination of speed and grip. Works perfectly on the rear wheel in combination with rocket ron. tread design: low tread depth in the central tread for high speed and low weight. Tubeless easy version: addix speed (red) or addix speedgrip (blue). liteskin version: addix speed (red). With 127-epi-evo-carcass. product featuresracing ralph evo 27.5 x 2....