The Mainline is S&M's trail tyre. Available in wire bead only with a mid weight, high pressure casing. The 2.1 has a micro knurled surface on a directional tread designed to go on the rear. It features a centre tread with a V-notched edge for accelerating and a flat edge for braking. Additional angular raised sections on three rows of knobs help keep the larger Mainline in front!
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good quality and well priced