Maxxis high roller xc ustour most popular and versatile mountain tire the high rollers ramped leading edges roll fast while the side lugs offer stability at speed and a sharp edge to hold corners the grooved center knobs provide straight line control the high rollers tread design translates well to all mountain bike disciplines including downhill cross country and freeride features ramped knob designnew high volume sizes now available ust silkworm protection tyre size 26x2 10 tpi 120