For mud and unfastened gravel seem For additional intense tread on the center line and shoulders. Slick, or file tread, tires will be faster for road, dry conditions and less technological terrain. Disc brakes make it feasible to suit big tires and wide wheels with no minimize in braking power. https://onlinedigitalstore.net/collections/road-bikes?srsltid=AfmBOoq-ckRHlJ6_fn6x6AKzVmIB-SWo1N_v7pypbxnuOq6I2PSleFW0