Industry Nine Torch Hydra Rear MTB IS Disc Hubs have way more engagement and about 20% less less drag and resistance compared to its cousin, Industry Nine’s Torch. One of the first and most noticeable improvements besides those things is the easy-access of the internals of the hub. In seconds, you can have internals of the hub opened up and the pawls and the drive ring right in front of you  to clean and lubricate. You seriously just slide the cassette off the body of the hub and remove it from your wheel — isn’t that crazy? You could access the internals of the freehub on the trail. If you lubricate the pawls with grease instead of oil, the sound is basically silent! Here’s a video with an example of the sounds that the Hydra Torch Hub can produce: