Whichever fuel mode you choose

A unique high-volume

and the lightweight and durable co-molded lens/body design is waterproof (IPX7 rated)

It’s built around a sleek cylindrical housing that offers a compact and lightweight form factor

QUOC Technology Dual Dial closure system for fitted precision

WAHOO RPM Speed Sensor mechanical Whichever fuel mode you chooseThe Wahoo RPM speed sensor is the sleek, magnet less solution for capturing cycling speed data. It easily mounts to your bike's front wheel hub, and the Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and bike computers. Tracking speed data has never been this easy.