The 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.
| Dual Band Technology | 
| Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. | 
| Wireless Connection | 
| No tangled wires on your bike to connect the sensor to your device. | 
| Magnetless | 
| The RPM speed installs easily with no magnets required | 
| Sleek, Lightweight Design | 
| It only weighs 16.5 grams with the mount included | 
| Speed Measurement | 
| Provides accurate speed data during your ride | 
| Hub Mount | 
| Mounts on most front wheel hub with a secure silicon casing | 
| Visible Connection | 
| Two LED lights show the sensor's device connection (blue) and speed detection (red) | 
| Replaceable Battery | 
| No charging required! Operates on a coin cell battery for up to 1 years. | 
| Universal Fit | 
| RPM Speed will fit with most bikes and frame sizes | 
Specs
| Dimensions | 1.25" x.75" x 1" | 
| Weight | 7 grams (Without Mount) | 
| Battery | CR2032 | 
| Battery Life | Up to 12 months | 
| Waterproof Rating | IPX7 (waterproof up to 5 ft) | 
| Wireless Signal Strength | Up to 10 ft |