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The S&M Mainline BMX Tyre is designed for trail use, reflecting S&M’s dirt jump heritage. It comes with a wire bead and a midweight, high-pressure casing. The 2.1 version features a micro-knurled surface on a directional tread, ideal for rear placement. Its center tread includes a V-notched edge for acceleration and a flat edge for braking. SKU: SMTY003-04-BLK.