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.
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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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($36.39): Cuponation9
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG17df2a, BG5ee31b, BG1efeb0, BGe72fce, BGdc24b3, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG71c041, 9OFFSUMMER
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for 2Pcs CYCPLUS C3 Cadence Speed Dual Bike Sensor is here. The lowest price was: $22.99.
Price records source(s): Banggood
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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)).