Sensor, Speed/Cadence, Dual ANT/BLE, Saris Model:TRAINER SENSOR Sweat Guard and Phone Holder

Sweat Guard and Phone Holder will keep acidic sweat from touching your bike frame during intense indoor workouts

The lightweight design promotes responsiveness

1 is crafted to provide smoother gear transitions and a more enjoyable cycling experience

or owner's manual

Additionally

Sensor, Speed/Cadence, Dual ANT/BLE, Saris Model:TRAINER SENSOR Sweat Guard and Phone HolderThe Saris Speed Cadence Sensor is versatile, allowing you to program it for either cadence or speed. Simply insert the battery, set the mode, and attach it to your bike's crank arm or hub. Its magnet free, low profile design makes it a hassle free addition to your cycling gear. Also, it's water resistant.