Wheel Factory hand built versatile wheels\nStan's Crest MK4 rims feature a 25mm wide asymmetric rim designed to build an even stronger overall wheel Crest MK4 rims are built for speed and optimized for 40mm gravel tires and XC tires up to 2.3" (BSTAsymmetric) 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 NEW DT Swiss 370 hubs with their 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 IS6B disc brake mounts Built with DT Swiss Competition double butted spokes (2.0/1.8/2.0) and alloy DT Swiss Squorx nipples Hand laced and trued in the USA