Wheel Factory hand built versatile wheels. Stan’s Arch MK4 rims feature a 28mm wide asymmetric rim designed to build an even stronger overall wheel. (BST-Asymmetric) Bead Socket Technology Asymmetric features a wider inside rim cavity with shorter sidewalls, equalizing resistance to dents and tire bead retention on both sides of the rim in the worst rock gardens and hardest cornering. Durable 6069 aluminum with a welded joint and reinforced spoke bed. DT Swiss 370 hubs with updated Ratchet LN driver mechanism. DT’s legendary star ratchet system is now available at the most affordable price point yet. DT 370 hubs are compatible with all Ratchet LN FHB bodies as well as DT’s 36 and 54 POE ratchet upgrade options. All hubs use IS-6B disc brake mounts. Built with DT Swiss Competition double butted spokes (2.0/1.8/2.0) and brass DT Swiss Squorx nipples. Hand laced and trued in the USA