20mm deep, tubeless ready, disc specific rim. Designed to handle 150kg (330lbs), optimal for E-Bike and larger rider usage. DT Swiss patented Pro Head Reinforcement System (PHR System) is designed to balance the load transferred to the rim, working as a ball and socket interface, requiring unique washers and Squorx nipples . Sleeve jointed rim for added strengthItem Specifications: Number of Holes, 32, Type, Tubeless, Size, 29", Manufacturer Spec ERD (mm), 602mm, Color, Black, Model Name, H 552, Material, Aluminum, Brake Type, Disc, Width, 30mm, Wheel Depth, 20mm, Weight, 615g,.