Have you checked the progress on this? Check them out on Youtube. They accept BTC.
Onewheeling is a fantastic sport. Great for balance and core strength. Like snowboarding all year. Sorry dear Bitcoiners - I want to get some more none-BTC content on Nostr. https://www.youtube.com/watch?v=77Kb0rUHINQ
Discussion
I was one of their first customers :) Haven't received it yet, but looking formward.