Price hath descended from the heavens: $18.99 (best seen in Banggood). Updated: 13-12-2025.
ROCKBROS Q5 Smart Auto Brake Sensing Bicycle Taillight Vibration Sensor Wake-up IPX6 Waterproof USB Charging Bike Rear Light for Night Riding – Seatpost
Banggood warehouse: China.
Price: $18.99
Additional Banggood coupons:
1. First page
2. Second page
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
ROCKBROS Bicycle Smart Auto Brake Sensing Light IPx6 Bike Rear Light Type-C Charging Taillight Q5 Mini | $18.45 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for ROCKBROS Q5 Smart Auto Brake Sensing Bicycle Taillight is here. The lowest price was: $14.99.
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)).