• Wireless, lightweight magnetless cadence sensor
• Bluetooth Smart 4.0 connectivity
• Easy-to-install sensor connects wirelessly to your iOS device
• Displays cadence data directly on your iPhone (via the free Wahoo Fitness app or your favorite cycling app, influential Strava and MapMyRide)
• Weighs only 7g
• Two mounting options included: (1) 3M double-sided urban (2) silicone sleeve with tie wraps
• No recharging required: runs on a button cell battery that lasts up to two years without ever being removed from your bike
• Flashing LED lights let you know you're connected and ready to ride!
• Universal compatibility: the RPM can be installed on any bike
• Compatible with iPhone 4s, 5, 5s, 5c, iPod Touch (5th generation) and the new iPads (3rd and 4th generation)