Wahoo RPM Sensor for iPhone, Android and Bike Computers
Fitness Tracker, Kybeco Elegant Waterproof Heart Rate Monitor Activity Tracker Bluetooth Wearable Wristband Wireless Step Counter Smart Bracelet Watch for Android and IOS Smartphones
Bicycle Speedometer and Odometer Wireless Waterproof Cycle Bike Computer with LCD Display & Multi-Functions by YS
For Fitbit Alta HR and Alta Bands, Famobest Stainless Steel Wristbands/Jewelry Bangle/Bracelet/Replacement Bands/Accessories
TaoTronics Bike Phone Mount Bicycle Holder, Universal Cradle Clamp for iOS Android Smartphone, Boating GPS, Other Devices, with One-button Released, 360 Degrees Rotatable, Rubber Strap
Garmin Edge 520 Bike Computer

Garmin Edge 520 Bike Computer

Price: $239.00 - $499.98
Wahoo Blue SC Speed and Cadence Sensor for iPhone, Android and Bike Computers
CatEye - Velo 7 Bike Computer with Odometer and Speedometer
Wahoo TICKR FIT Optical Heart Rate Armband for iPhone, Android
Bike Mount for Phone Anti Shake Fall Prevention Bicycle Handlebar Mobile Phone Holder Cradle Clamp with 360 Rotate for 3.5 to 6.5 inch iPhone Android Smartphones GPS Other Devices (Universal)