We have been exploring the many ways to keep one's hub cool. With grease, and with cooling fins etc. the best one thus far is a external water nozzle that one can spray the outside of the hub.
Every time I've convinced myself that I don't need one of those, you post another video. I had just deleted all the pictures of the drillium bike off my phone t
Anyone try spraying alcohol instead of water? With its higher rate of evaporation, it would transfer more heat. Isopropyl is probably not easy to get at the moment, but windshield washer fluid should work.