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Challenge Gravel Grinder Pro Tire - 700 x 33, Tubular, Black/Tan, Handmade, Tubeless

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Intended for all around or dirt/gravel roads, this tire comes equipped with a file tread center and a knobbier shoulder tread.

  • File tread center pattern offers low rolling resistance on smoother terrain and increased grip when the road gets rough
  • Shoulder tread is more aggressive for corner confidence and additional control