The specialized hillbilly grid tubeless tyre features a similar knob pattern to the storm tyre using a moto inspired knob pattern designed for moist and dry conditions alike the hillbilly tubeless ready tyre features knurled knob tops that enhance traction on roots rocks logs off camber dropsmdashyou name it this tyre tames them all this specialized 29er tyre uses grid casing which dramatically improves sidewall stiffness and cut resistance allowing you to tackle any trail with tot