Bontragers lightest wheels got even lighter, They dropped up to 110g, enabling you to excel on the steepest gradients. With a confidence-inspiring 19.5mm inner width, the Aeolus 3 wheels are fast enough for race day. The hassle-free tubeless setup virtually eliminates flats & makes these lightweight carbon wheels tough enough for every day. Product details D3 Dual Directional Design profile cuts drag at tire-leading & rim-leading edge OCLV Carbon utilizes premium materials & high-temp resins with industry-leading domestic manufacturing Tubeless Ready (TLR) rims allow for quick transition to tubeless system Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel Center Lock disc hubs with interchangeable axles increase compatibility OCLV Carbon rim (27mm outer, 19.5mm inner width) & DT Swiss hub Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs