D3 Dual Directional Design profile cuts drag at tire-leading and rim-leading edge. OCLV Carbon utilizes premium materials and high-temp resins with industry-leading domestic manufacturing. Center Lock disc hubs with interchangeable axles increase compatibility. Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel. OCLV Carbon rim (27mm outer, 19.5mm inner width) and DT Swiss hub. Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs. No rider weight restrictions.