Wheel Factory hand built wheels Stan's MK4 premium alloy rim offers the ultimate performance across categories 25mm internal width, built for speed and optimized for 40mm gravel tires and XC tires up to 2.3" DT Swiss 370 LN hubs have been updated to use the legendary DTSwiss Star Ratchet system found in the current 350 hub models 18 POE ratchet comes as stock, DT0237 and DT0235 can be used to increase engagement Center Lock disc brake compatible 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