Just Googled Revbox, it's just a speed sensor with an app, that I guess you tell it what trainer you are using, and it guestimates your power output, bit like TrainerRoad and Zwift.
Damo, you might be able to beat your 40 watt FTP or whatever it was.
Demeaux
Just Googled Revbox, it's just a speed sensor with an app, that I guess you tell it what trainer you are using, and it guestimates your power output, bit like TrainerRoad and Zwift.
Damo, you might be able to beat your 40 watt FTP or whatever it was.