Continental Race King Tire - 29 x 2.20, Tubeless, Folding, Black, PureGrip, ShieldWall System, E25Race 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. Super fast rolling tire with widely spaced knobs to handle a wide range of conditions Product Specifics Flat Protection: Tread and Sidewall TPI: 330 Color: Black Weight: 740 Designed for ebike: Yes Defined Color: Black ISO Width (mm): 55