The uks favourite training tyre a durable fast yet tough tyre at a really nice price the duraskin external mesh forms a protective sheild over the entire casing to help prevent cuts puntures and abrasions the slick german made natural rubber tread is designed to perform well in wetwintery conditions intended for high mileage winter training for serious cyclists in a host of sizes including 700c 27 x 1 14 mtb 650c features the only tyre you need for your winter training bik