Originally Posted by
colnago62
Check out a Powerpod. It is a device that hangs from your handlebars. It uses wind velocity, incline and a few other metrics to measure power. DC Rainmaker reviewed them. Somebody, maybe power meter city, had them on sale.
Been there, done that. I do not recommend it since it gives inaccurate results. You have to estimate your frontal area for the reading to be even close to correct. You also have to estimate your aerodynamic drag profile. This is extremely difficult even for pros. Also you can pick up a used set of garmin power pedals for around the same cost off of eBay. There is this thing but for the life of me I can't figure out how it could possibly report power.
https://www.ebay.com/itm/Smart-Bluet...03b16399401b3c