This is the schwalbe kojak 20 raceguard commuter tyre kojak makes no compromises its home is the road although the fast sporty tread less slick weighs just 295 g 35 559 it still has a raceguard protection belt featuring a durable sticky and fast rolling multilevel dual compound it has a proven raceguard protection belt this belt was developed specially with racing in mind a synthesis of special india rubber and several layers of nylon fabric offers very effective protection against