29-Inch

Your kids will hang with the big dogs on this cross country tire. The XR1 Comp Kids' Mountain Tire has a tread identical to that of its fully-grown adult version, perfect for multi-purpose riding on trails or pavement. - Excels in hardpack and loamy conditions - Ramp center knobs for fast rolling - Fast-rolling and predictable cornering - 60 TPI - Maximum pressure: 50psi - Wire bead - Weight: 485g

Legendary tire designer Frank Stacy provides another race-proven mountain bike tire design in the XR2. The value-minded and super-versatile XR2 Comp offers outstanding quickness and cornering stability on hard-packed or loamy cross country courses. - A versatile trail tire that excels in loose-over-hardpack and firm conditions - Fast rolling with consistent, predictable traction for a variety of trail conditions

If you have to pick one A versatile XC tire with excellent traction provides confidence for most trail conditions. Versatility is the name of the game for the XR3 Comp mountain bike tire. It's the quickest, highest-value rubber for the widest variety of trail conditions—from hard-packed singletrack to loam and everything in-between. - A versatile trail or race tire that excels in a wide variety of conditions - Aggressive side knobs provide consistent cornering and traction across multi-trail surfaces