The schwalbe rapid rob 650b tyre is the perfect jumping off point for budding mtb riders featuring an adaptation of the hugely popular racing ralph tread design and balanced rubber sbc compound which is both versatile and reliable this schwalbe mtb tyre has a rugged design tough enough for any trail and the specially developed tread gives you exactly the kind of roll you need to build confidence and negotiate your way over the terrain the densely woven 50 epi carcass deli