The Surly Dirt Wizards are all about delivering traction and control on tough surfaces where it's usually hard to find. Its tread has a dual row of aggressive, trail - gobbling beveled knobs in the center and well - spaced, siped knobs for loose corners. Made for 50mm rims, these tall and wide tires offer top - notch traction and cushioning. The casings are flexible, responsive, durable, and supportive. The minimum outer rim width for these tires is 35mm. Besides the classic black sidewalls, there's a cool gray sidewall option available in 29 x 2.6” and 27.5 x 2.8”. Features include tubeless design, folding construction, and 60 tpi. Specifications: ISO Diameter 622 / Road / 29', flat protection on tread and sidewall, 60 TPI, labeled size 29 x 2.6, 40 PSI, ISO width 66mm, defined color black, intended for mountain use, weight 1250, tubeless ready clincher type, folding tire bead, and 29' tire diameter.


Using your Dirt Wizard tire is easy. First, make sure your rim width is at least 35mm, with 50mm being the ideal fit. Mount the tire on the rim and if you're using it tubeless, add a quality tubeless sealant. For normal use, keep the tire pressure at 40 PSI. When riding, these tires will give you great traction on loose and difficult surfaces. As for maintenance, regularly check the tire for any cuts or punctures. Clean the tire after each ride to remove dirt and debris. If you notice the tread is getting worn, it's time to replace the tire to ensure continued performance and safety.