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
Mount on any 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
Physical 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