The SLR 1 42 WheelSystems are efficient lightweight all-around carbon road wheels that bring premium-level performance to all riders. Featuring hookless rim design and optimised carbon layup to ensure a robust yet lightweight structure contemporary wider inner width as well as low friction hubs offering low rolling resistance and Dynamic Balanced Lacing (DBL) technology to maintain maximum power efficiency the SLR 1 42 bring outstanding performance at no compromise.