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Designed in collaboration with Bontrager-sponsored pro race team riders, the XR1 is an ultra-fast rolling cross country race tire that's ideally suited for dry and dusty condition. Small, tightly spaced knobs provide plenty of fast-rolling traction, while siping (thin slits) across the middle knobs give even more grip on dusty surfaces. Designed for front or rear use.
- Lightweight and quick rolling, designed for fast courses
- Racing and engineering experience are combined for top performance
- 26" x 2.2 (Team Issue)