The largest range of products is available in colors Black, Brown, Black Brown, Brown Black, Blue a White. All colors
Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. | For a perfect tubeless setup use Challenge Smart Sealant ! | Warning | | Tubeless Ready
Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. | For a perfect tubeless setup use Challenge Smart Sealant ! | Warning | | Tubeless Ready