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.

dimensions (LxWxH): 1.25" x.75" x 1"
weight: 7 grams (without mount)
battery: CR2032
battery Life: Up to 12 months
water Rating: IPX7 (waterproof up to 5 ft)
wireless Signal Strength: Up to 10 feet
*Note: Speed Sensor is NOT compatible with spin bikes
dual band technology
wireless connection
magnetless
sleek, lightweight design
speed measurement
cadence measurement
hub mount
visible connection
replaceable battery
universal fit