650B

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

An e-bike tire designed for smooth-rolling confidence and approved for the unique demands of eBikes at speeds up to 50km/hr. E-bike approved The E-6 is an e-bike specific tire designed to offer confident traction and lasting performance for the speeds and needs of eBike riders. The E-6 is approved for electric bike use up to 50km/hr. Reflective sidewalls increase visibility and the Hard-Case Lite puncture protection is optimized for the increased speeds and demands of eBike riders. Product details - Designed for city and pavement with a smooth-rolling tread that offers confident traction - E-bike approved for speeds up to 50km/hr - Designed to meet the unique demands of electric bike usage - Hard-Case Lite optimized for e-bikes with 1mm Kevlar puncture protection belt that offers great ride feel, and extra durability - Reflective sidewall strips for added visibility

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