Chaos Dirt Jump Wheels are the World Championship winning, benchmark wheels for dirt jumping.Used and loved world over by riders and endorsed by international professionals Sam Pilgrim and Matt Jones. Chaos Dirt Jump Wheels are at the pinnacle of the sport that stand up to the hardest of use.These wheels utilise our tried and tested Chaos rim which offers tubeless compatibility where required, as well as a 22.5mm internal (28mm external) width. These widths have been optimised for strength in addition to tyre profiling.The rear wheels are built around our single speed specific DJD hubs. These offer the option of either our 120 point pick up Supadrive or 30 point pick up Bushdrive drive sytems. Our rear wheels no longer come with a sprocket included, so please choose an additional 'DJD Supadrive and Bushdrive Sprocket' to suit your bike.The front wheels use the brake-less DJ Wideboy hub that offers universal fitting options aftermarket.All of our DJ series hubs utilise large sealed bearings for longevity. These hubs also boast super wide spaced flanges for increased spoke triangulation, stiffness and durability.Aftermarket rim decal kits are also available to customise your wheels.Included FittingsFront Standard: 100 x 15mm thruRear Standard: 135mm x m10 bolt-in axle system with 14mm adaptors