The schwalbe rock razor tl 29 inch tyre offers low rolling resistance exceptional durability and an excellent performance during race time semi slick for gravity and enduro riding this schwalbe mtb tyre comes in two options patented snakeskin or super gravity technology to give you the competitive edge the specially developed semi slick tread is unique and has been honed for maximum speed and control on dry fast trails the rock razor is tubeless ready for greater versatility and is foldin