CATEYE
CATEYE, Bluetooth Speed and Cadence Sensor
TwoNav
TwoNav - Magnetless Cadence Sensor
BION
BION Bluetooth/ANT+ Speed and Cadence Sensor
smartLAB
smartLAB cadspeed Bluetooth/ANT+ Cadence/Speed Sensor for The Bike. Without Magnets for Wahoo Fitness, Zwift, E-lite HRV, Openrider