With the Bontrager XR2 Comp, legendary tyre designer Frank Stacy offers you a new competition-proven tyre design for tackling loose or crumbly terrain, but at a more affordable price thanks to its rigid beads. It is made from a composite material designed for lightness, grip and traction in corners, with extremely low rolling resistance. Improved traction thanks to staggered lugsConfidence in corners thanks to multi-edged side lugs. Improved traction on changing terrain thanks to sipes and grooves.Ideal on loose surfaces on hard ground or silty ground. Technical specifications:- Type: Tubetype - Rigid spokes - Dimensions: 27.5 x 2.2 - Colour: Black - For use with an inner tube