Rapid Drive hub design instantly transfers effort into forward momentum;Tubeless Ready (TLR) rims allow for quick transition to tubeless system;Offset spoke bed reduces wheel dish for stiff and stable performance;Interchangeable axles allow for compatibility with more frames and forks;Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel;Lightweight alloy rim (33mm outer, 28mm inner width) and 54 tooth Rapid Drive hubs;6 bolt 100x15 front hub, 135/142x12 rear hub;SRAM XD available;