SPD61

SPD61 speed sensor, exquisite and compact, accurately capture bicycle speed data, easy to install, no magnet, wireless data transmission via Bluetooth or ANT+ protocol, 260 hours long battery life, has passed IPX7 waterproof test.

Small - Exquisite - Long battery life

Dual Module Speed Sensor

Ant+/Bluetooth

Connecting with most of the cycling device including cycling App

Compact body, easy to install without tools, built-in geomagnetic sensor, stable and efficient data transmission  

CR2032 button battery can be used for 260 hours