e-M309 1.40.0

The e-M309 is a bike computer manufactured by GAF in 2007. This device is used to track various metrics during cycling, such as distance traveled, speed, elapsed time, and calories burned.

The e-M309 features a sleek design with an easy-to-read LCD screen, making it simple for riders to view their stats mid-ride. It has two buttons that allow for easy navigation through its various functions.

This bike computer can be attached to the handlebars or stem of the bike with a secure mount. It operates on two AAA batteries and can be easily reset for each new ride.

the e-M309 is a reliable device for cyclists who want to track their progress and improve their performance. Its simple design and functionality make it a great addition to any cycling routine.