he Flow MK4 s reinforced spoke bed; combined with the offset drilling of the asym design; builds into an incredibly durable wheel that brings added confidence to every ride. Unlike many asymmetric rims; the Flow MK4's BST-Asymmetric shape is designed to equalize resistance to dents and tire bead retention on both sides of the rim under even the worst rock gardens and hardest cornering. Combined with Stan's patented Bead Socket Technology; the Flow MK4 rim offers the easiest tubeless setup and moLow-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6� tiresDurable 6069 aluminum with welded joint and reinforced spoke bedBST-Asymmetric design combines Stan�s legendary easy tubeless inflation with a stronger, more balanced wheel build3-year rim warranty with 1-year crash replacement----