The schwalbe racing ralph tl 29in tyre is a true high level performance tyre with several improvements to previous models the new racing ralph offers a lighter and grippier ride that is perfect for fast paced cross country racing with a sharks tooth u block tread design the schwalbe racing ralph tyre cuts through terrain effortlessly to result in a ride that offers immense levels of grip when riding aggressively particularly in the corners this design has been adapted slightly for