Race King Tires are a classic competition tire which feels at home at the Cross Country World Cup or at marathons. Low rolling resistance, good self-damping and low weight make it the right choice for all race bikes Classic competition tire which feels at home at the Cross Country World Cup or at marathons Low rolling resistance, good self-damping and low weight make it the right choice for all race bikes ShieldWall system - additional, all-round puncture protection layer, which consists of a finely woven cross fabric. Combines the optimum combination of high puncture protection and the low rolling resistance with low weight PureGrip Compound - an advanced new compound with outstanding grip, it is also long lasting and highly durable. Ranked just behind Continental&';s BlackChili Compound E25 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force Tire Intended Use: Mountain ISO Diameter: 622 / mountain / 29" ISO Width: choose; 50mm, or 56mm Labeled Size: choose; 29 x 2.0", or 29 x 2.2" Tire Bead: Folding Tire Diameter: 29" Tire Type: Tubeless Ready Weight: 660g. (2.0"); 740g. (2.2") Color: Black