The Gravel Grinder is our original and often-imitated fast gravel design. It combines a speedy diamond center for low rolling resistance with aggressive shoulder knobs that reliably hook-up when the terrain gets soft, muddy or a bit sketchy.
With our vulcanized series, we start where other tires stop – we utilize ultralight 60TPI nylon casings and superior tread compounds – to give our traditional vulcanized tires excellent ride feel and quality that is more affordable than our handmade offerings.
This Challenge TLR model is hooked rim compatible.
For perfect tubeless setup use Challenge Smart Tubeless Sealant
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