Wheel Factory hand built versatile wheels for Trail and Enduro use. Spank 350 rims offer a unique profile with low 17mm sectional height and wide width adds radial compliance and lateral stiffness. Improved radial compliance for better traction over bumps and chatter while reducing negative feedback to the rider gives enhanced performance and comfort. 30mm internal width is versatile fitting tires from 2.0� to 2.6� and allows plus size tire use without negative squaring off of tire profiles . 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 IS-6B disc.