650B

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

The XR3 Team Issue Tubeless Ready mountain bike tire is the right choice for high performance over the widest range of trail conditions. Advanced rubber compound and Inner Strength protection make XR3 Team Issue tires Trek Factory Racing's pick for best all-around high-performance for cross country. Key features - Versatile tread provides consistent traction and cornering - Excels in a wide variety of conditions - Tubeless Ready (TLR) tire is engineered for easy tubeless setup and puncture protection - Inner Strength casing is lightweight sidewall protection that's supple and strong

Durable yet lightweight construction for confident traction in aggressive conditions and quick climbs back to the top. Rubber that rails The XR5 Team Issue is a lightweight trail MTB tire designed for maximum braking and cornering traction without compromising rolling speed. The dual-block center tread and aggressive side tread delivers a versatile tire that performs well in both the front and rear. The TM-Grip rubber compound bites harder and the Inner Strength construction offers lightweight sidewall protection. Product details - An aggressively treaded MTB tire with a lightweight construction for confidence in any terrain - Dual-blocked center tread with aggressive side knobs for confident cornering and braking traction - Proprietary TM-Grip compound and 60 TPI construction offers great traction and tire feel - Supple and strong Inner Strength casing provides lightweight sidewall protection - Tire bead chafer layer adds additional protection against abrasion and punctures - Tubeless Ready (TLR) for easy tubeless setup and puncture protection