SpeedX's Unicorn bike comes with smarts already installed
 

If you're serious about cycling, you'll want to track every ride. How far you went, the amount of calories you burned -- that sort of thing. Until now, that's meant equipping your bike with a slew of third-party sensors and a less than sleek cycle co...

https://www.engadget.com/2017/01/04/...-ces-hands-on/