Which one do I buy?
https://www.fitness-superstore.co.uk/nordictrack-c100-folding-treadmill.html
https://www.fitness-superstore.co.uk/nordictrack-t7-0-folding-treadmill-1.html
They both go up to 20kph, the latter has some kind of bluetooth thing. Probably proprietary protocols though. Id use Zwift run most likely, like last year.