Wahoo Fitness RPM Speed Sensor

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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.
  • Magnet-less - 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 Mounted - Mount on any front wheel hub with a secure silicon casing
  • Visible Connection Indicator - 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


  • Part Number: WFRPMSPD
  • 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

Supported Devices

In The Box

  • RPM Speed unit
  • CR 2032 Battery (installed)
  • Hub Mounting Option
  • Quick Start Guide
  • Important Product Info Guide