Here's my passive (no fans) cooling modification for the Commander that will lower your temperatures by at least 20° Celsius.
EUC World data for test validation ride: https://euc.world/tour/610077516451048
3M No Residue Duct Tape: https://amzn.to/3alueLD
Visit my Amazon Store for quick links to much of my gear: https://www.amazon.com/shop/electricunicycles
For a complete list of all the equipment, tools, and associated "stuff" that I use, please visit my equipment webpage: https://www.electricunicycleworld.com/p/my-equipment.html
Interested in joining me on any Southern California rides? Join my Telegram group for all the latest ride information. Send me an e-mail (my name @ gmail.com) and I'll send you the Telegram link.