The high roller ii 29 folding triple compound exo tubless ready tyre mtb tyre from maxxis is a mtb tyre with an open and aggressive tread design gives which gives the high roller ii an excellent soil penetration and mud clearing ability the square profile provides a solid consistent feel across the knobs the modified knobs on the shoulder and centre improve braking performance and traction on hard surfaces an excellent choice for technical freeride terrain available in black 23 only