The Rapid Drive hub design instantly transfers effort into forward momentum. Boost 110/148 wider hub flanges enhance the bracing angle for a stiffer wheel. Tubeless Ready (TLR) rims allow for quick transition to a tubeless system. The offset spoke bed reduces wheel dish for a stiff and stable performance. Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel. A lightweight alloy rim (33mm outer, 28mm inner width) and 54-tooth Rapid Drive hubs. 6 bolt 110x15 front hub, 148x12 rear hub. Includes a Tubeless Ready (TLR) rim strip and TLR valve.