https://www.singletracks.com/mtb-gear/industry-nine-hydra-2-mtb-hubs/
Industry Nine Hydra2 MTB hubs boast even more engagement and improved durability - Singletracks...
Mar 6, 2025 - Industry Nine Hydra2 hubs offer a whopping 870 points of engagement and a design that promises 60% less coasting drag and improved durability.