45NRTH Dillinger 4 Tire - 27.5 x 4.0, Tubeless, Folding, Black, 120 TPI, 168 Large Concave Carbide Aluminum Studs mid-size-truck Retrofit your current Spark R&D

Retrofit your current Spark R&D bindings for improved movement and durability as you create your masterpiece in untracked pow

About Mark Grotjahn:

more freeride-focused boots and bindings than the more uphill-oriented skis in the TX line

Skiers with wide forefeet or high-volume feet should plan on fit work or look at a higher-volume shell

and who ski touring skis 85 to 100 mm underfoot

45NRTH Dillinger 4 Tire - 27.5 x 4.0, Tubeless, Folding, Black, 120 TPI, 168 Large Concave Carbide Aluminum Studs mid-size-truck Retrofit your current Spark R&DA studded tubeless fat bike tire for 27. 5 x 4. 0 fitments, the 45NRTH Dillinger 4 is built for fat bikers riding hardpack snow, ice glazed trails, and frozen lake crossings where traction matters more than weight. 168 large concave carbide aluminum studs are bowl shaped to expose sharp edges and more surface area on ice, and the tread pattern keeps the center knobs tightly spaced for quicker rolling on packed surfaces while taller braced shoulder