








Orders under $29.99 ship for $4.99, while orders of $29.99 and above enjoy free shipping (3–5 business days). $10 extra applies for bulky items.
In-stock items ship from our U.S. warehouse in 3–5 business days; international orders take 7–12 business days when U.S. stock is unavailable.
We offer a 30-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email-contact@rockbrosus.com
Estimated Delivery Timeline:
The ROCKBROS Q3 Bike Tail Light combines intelligent light, brake, and vibration sensors to enhance rider safety with four versatile lighting modes. Its adaptive brake taillight responds instantly to braking and vibrations, while the light-sensitive feature adjusts brightness automatically. Built to withstand harsh conditions, it offers IPX6 waterproof and dustproof protection, ensuring reliable performance in all weather. This advanced tail light is a smart choice for cyclists demanding responsive and durable rear illumination.
| Feature | Description |
| Brand | ROCKBROS |
| Material | Aluminum alloy + Plastic |
| Color | Black |
| Weight | ≈33g |
| Charging Mode | Type-C |
| Lighting Mode | 4 modes |
|---|---|
| International Protection Rating | IPX6 |
