The Dirt Wizard 27.5+ tire uses the same aggressive tread Surly's other plus-sized Dirt Wizard tires use, with tread block sizes optimized for the specific 27.5+ casing. If you're not familiar, it's a tire focused — much like a laser — on providing traction and control on the kinds of surfaces where traction and control are nary to be found. While the tread is the same reliable tread we're all used to, the 27.5+ Wizard conjured up a new rubber compound that performs better in every way. It's a compound that yields higher durability and the grip and feel of a much softer tire. We've also added sidewall protection for yet more durability as well as a tubeless ready, folding bead. The 3-inch casing inflates to roughly 29-inch overall diameter which gives some benefits of a larger tire like ground approach angle and increased footprint, plus some extra cush. - Bead Seat Diameter: 584mm - Rim width: 35mm minimum - Casing: 60tpi w/Nylon sidewall protection
Surly's Knard is a 27.5-inch x 41mm tire with the perfect tread for maximum traction and low rolling resistance. Designed for wherever your path leads, the Knard is the tire you want beneath you as you plot your next adventure.
Behold: the 27.5+ version of Surly's popular, fast-rolling Knard tread pattern (bet you didn't see that coming!) Coming in at a hearty 27.5 x 3-inches it's designed for 35–50mm rims with a bead seat diameter of 584mm (27.5-inch). The 3-inch casing rolls out to 29-inch when inflated. That gives you all the benefits of a 29er, like more ground clearance and the increased ability to roll over obstacles better with a slightly wider footprint and some extra cush. The closely spaced low-blocks of the Knard tread grips well on multiple surface types but is most at home on dry rock and packed dirt. - Bead Seat Diameter: 584mm - Rim Width: 35mm – 50mm outer dimensions - Casing: 60tpi, tubeless-ready bead
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