Challenge Tire Gravel Grinder Pro H-TLR Tire 700 x 40 Black Length-350mm 7-Series alloy with micro-grain refinement

7-Series alloy with micro-grain refinement during the drawing and extrusion process for a strong and light weight bar

front/rear rear (1sp) axle/spacing (mm) 10x135 bolt-on hole 32h color black weight 465g

Internal O-rings and grease sleeve

} Thick and soft polyurethane based tape

Challenge Tire Gravel Grinder Pro H-TLR Tire 700 x 40 Black Length-350mm 7-Series alloy with micro-grain refinementChallenge Gravel Grinder Pro Tire 700 x 40 Tubeless Folding Black Handmade. 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 The Gravel Grinder is ideal for hardpack gravel sand