The Surly Molenda is an ultra-wide, 24 x 6.25" folding tire built for serious flotation on fat bikes or custom rigs. Designed for extreme terrain like snow, sand, or soft ground, its massive volume and 60 TPI casing offer a smooth ride and excellent traction. The folding bead keeps weight down for such a large tire, and its 160-507 ISO size pairs well with rims 100mm wide or wider. Ideal for adventure builds and creative custom setups, the Molenda lets you go big—really big.