ENVE Composites M630 Wheelset - 29", 15 x 110mm/12 x 148mm, Center-Lock, XD, Black, Industry Nine Hydra, 28HThe M6 Series wheelsets are loaded with traction and acceleration on the climb and also backed with precision and control while absorbing vibrations and impacts on the descent. The M6 Series is designed in 2 diameters and 3 widths to ensure your sophisticated preference for tire size and pressure is met with an uncompromising tire to rim interface. Designed for 2. 3" 2. 5" tires ENVE wheels are built on Industry Nine Hydra hubs Rim depth: 26. 5mm