Confidently run a deeper, faster wheel with Aeolus XXX 4. Industry-leading crosswind stability combines with best-in-class aerodynamics to give this 47mm carbon road wheel an incredible speed advantage, all while being the lightest in its class. The wide profile delivers more tyre support for that classic Aeolus ride quality. Disc brakes provide confident stopping power, and a hassle-free tubeless set-up virtually eliminates flats.