The Ellipse smart lock allows you to securely share your ride
 

The sharing economy took a turn towards the two-wheeled at CES in Las Vegas on Thursday when Lattis "the smart city company" introduced its new Ellipse Smart Bike Lock. As its name implies, the Ellipse packs as many IoT features as it can into its so...

https://www.engadget.com/2017/01/04/...se-smart-lock/