OEM CR2032 3V Lithium Battery used in most CatEye cycle computers.

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

Wheel magnet for all CatEye cycle computers

CatEye's Bluetooth Speed/Cadence Sensor transmits your speed and cadence through your Bluetooth-compatible Smartphone to your handlebar-mounted CatEye Strada Smart cyclo-computer (sold separately). Download the CatEye Cycling app for iPhone/Android and you’ll get all your ride data and save your phone battery. Attack each ride and celebrate your successes on the bike!