All you need for cycling data, all together at once! The Wahoo RPM Speed and Cadence sensors are both a sleek, wireless, and magnet-less solution. Each mounts easily to your bike and the Bluetooth Smart and ANT+ duel band technology allows you to connect and display data on both smartphone and bike computers.
For both RPM Cadence and RPM Speed
Part Number: WFRPMC
Dimensions (LxWxH): 1.25″ x.75″ x 1″
Weight: 7 grams (without mount)
Battery Life: Up to 12 months
Water Rating: IPX7 (waterproof up to 5 ft)
Wireless Signal Strength: Up to 10 feet