Using time 300 hours, Standby time 300 days, Brand CYCPLUS, Weight 9.2g, Size 29.5mm*38mm*9.5mm, Link method Bluetooth 4.0 ANT+, Function Track cycling speed or cadence, Color Black, Waterproof IP67, Product Name C3 Bike Cadence Speed Sensor, Battery 220mAh CR2032, Voltage 3V.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Updated:
Banggood
Warehouse in China.
Link: 2Pcs CYCPLUS C3 Cadence Speed Dual Bike Sensor
$36.39 with coupon: Cuponation9
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Here is price history (for all/most countries) for 2Pcs CYCPLUS C3 Cadence Speed Dual Bike Sensor. The lowest price was: $22.99.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).