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- Free Shipping:📦
Shipping Info
- US Warehouse In-stock: 3–4 business days
- 🌍International Shipping (if US out of stock): 7–10 business days
🚲 Bicycle Shipping
Delivery Times:
- Standard: 40–60 business days
- Expedited: 18–20 business days
Shipping Fees:
- Small Bikes: $20 (Standard) | $70 (Expedited)
- Large Bikes: $100 (Standard) | $250 (Expedited)
No extra taxes. Choose the option that works best for you.
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. EU customers have a 14-day no-questions-asked return right. 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 service@rockbrosbike.us.
At ROCKBROS, we offer a worry-free 1-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at service@rockbrosbike.us with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.

Product FEATURES
Product details:
Brand:ROCKBROS
Product name:lntelligent liquid crystal discoloration glasses
Model: 14210005001
Material:TR frame+TAC polarizing lens+Electronic discoloration
weight:About 34g(net weight)
Size: 165*62*145mm
Color:Black and red
Assurance: 3 Months
Product feature:
1.Instantly change color in seconds. Intelligent instant discoloration,faster discoloration.
2.Intelligent photosensitive chip with liquid crystal lens. Solar photosensitive technology without bettery and switch with liquid crystal lens really realize the change of color with the change of light.
3.Rest assured to travel day and night A pair of dual uess. Strong ultraviolet in sunny days, darker lenses,clear vision ans safe driving at night or dark places, the lenes become lighter and anti-glare dimming high light.
4.Upgrade high definition polarized lenes filter ultraviolet rays and dazzle. Polarizing lenes can filter reflected light or glare from road surface,water surface,snkw,glassetc. Make sure you have a clear view.
5.The color of the lens can change with the environment. It can be woen comfortably on both sunny and rainy days. Improve the visual effect,not easy to produce visual fatigue.
6.Suitable for all kinds of scenarios. Cylcing,Running,Fishing,Driving and Hikeing.Rapid application of a variety of environments to deal with the refraction of sunlight.
7.TR ductile lens frame. The arc of the mirror leg can be adjusted at will. Comfortable clamping force can effectively reduce head pressure.The radian can be adjusted freely according to the shape of the face,and it is comfortable to wear.
8.Rubber soft nose holder is comfortable and does not press the nose. Soft rubber nose bracket relieves nasal pressure. Multi-channel guide Han through design to prevent sweat indwelling.
9.Wear it light and pressure-free for a long time. Thw weight is only 34grams.Reduce the pressure on the ear and wear without burden.
Product details:
Brand:ROCKBROS
Product name:lntelligent liquid crystal discoloration glasses
Model: 14210005001
Material:TR frame+TAC polarizing lens+Electronic discoloration
weight:About 34g(net weight)
Size: 165*62*145mm
Color:Black and red
Assurance: 3 Months
Product feature:
1.Instantly change color in seconds. Intelligent instant discoloration,faster discoloration.
2.Intelligent photosensitive chip with liquid crystal lens. Solar photosensitive technology without bettery and switch with liquid crystal lens really realize the change of color with the change of light.
3.Rest assured to travel day and night A pair of dual uess. Strong ultraviolet in sunny days, darker lenses,clear vision ans safe driving at night or dark places, the lenes become lighter and anti-glare dimming high light.
4.Upgrade high definition polarized lenes filter ultraviolet rays and dazzle. Polarizing lenes can filter reflected light or glare from road surface,water surface,snkw,glassetc. Make sure you have a clear view.
5.The color of the lens can change with the environment. It can be woen comfortably on both sunny and rainy days. Improve the visual effect,not easy to produce visual fatigue.
6.Suitable for all kinds of scenarios. Cylcing,Running,Fishing,Driving and Hikeing.Rapid application of a variety of environments to deal with the refraction of sunlight.
7.TR ductile lens frame. The arc of the mirror leg can be adjusted at will. Comfortable clamping force can effectively reduce head pressure.The radian can be adjusted freely according to the shape of the face,and it is comfortable to wear.
8.Rubber soft nose holder is comfortable and does not press the nose. Soft rubber nose bracket relieves nasal pressure. Multi-channel guide Han through design to prevent sweat indwelling.
9.Wear it light and pressure-free for a long time. Thw weight is only 34grams.Reduce the pressure on the ear and wear without burden.





