Shipping Estimate
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
ROCKBROS BICYCLE - Smart TAIL LED LIGHT USB Rechargeable Waterproof - 5 Light ModesFor those who love smart tech, our ROCKBROS Smart Bike Brake & Tail Light Q4 is the ideal way to illuminate and keep you safe when riding at night and show other road users when you're braking. With an in built sensor, this light comes on when you hit your brakes. It installs to your saddle easily and is made from a rugged aluminum alloy. Key Features: Bright red LED light with brake light smart tech The brake light illuminates automatically when you
For those who love smart tech, our ROCKBROS Smart Bike Brake & Tail Light Q4 is the ideal way to illuminate and keep you safe when riding at night and show other road users when you're braking. With an in-built sensor, this light comes on when you hit your brakes. It installs to your saddle easily and is made from a rugged aluminum alloy.
Key Features:
- Bright red LED light with brake light smart tech
- The brake light illuminates automatically when you brake
- Five main light modes - red slow flashing / red/blue/purple breathing / red/blue/purple flash / red constant
- Three light modes for different daytime conditions - low / medium / high
- Compact and durable - perfect for the toughest of rides
- Installs quickly to the saddle or seat post of your bike
- Waterproof - keeps the rain off in wet riding conditions
- USB rechargeable battery
Bright Brake Light
The ROCKBROS Smart Bike Brake & Tail Light Q4 is perfect for your daily ride. It shows other road users you and your bike clearly from behind and lights up brighter when you brake—signaling to drivers and other road users of your braking intentions. It fits your saddle or seat post and is compact and rugged for even the most demanding bike rides.Smart Brake Technology
Fitted with a sensor, the ROCKBROS Bicycle Smart rear light detects vibrations when you brake. The light brightens on braking, much like a car brake light, so other road users know your intentions.Different Light Modes
The ROCKBROS Smart Bike Brake & Tail Light Q4 brightens when you brake and arrives with five light modes. Have it read slow flashing, red, blue, purple breathing, red, blue, and purple flash or red constant, depending on your riding conditions.What's more, whatever mode you are on, the brake light illuminates when you brake—giving the ultimate rear light for safer nighttime cycling.Secure Saddle & Seatpost FittingThis rear bicycle light can be quickly and easily installed onto your saddle or seat post, whatever your preference. It's also waterproof for rain raiding and is constructed from a rugged aluminum alloy. When you've finished riding for the day, connect it to a USB and recharge the battery. Ready for your next adventure?
ROCKBROS Smart Bike Brake & Tail Light Q4 Specifications:
- Brand: ROCKBROS
- Model: Q4
- Type: Rear bicycle light with brake light smart tech
- Colour: Black
- Light Colour: Red/blue/purple
- Modes: red slow flashing / red/blue/purple breathing / red/blue/purple flash / red constant
- Light modes: low/medium/high
- Battery: USB Rechargeable
- Waterproof: IPX6
- Material: ABS plastic
- Weight: 23g
- Size (H x W x D): 30 x 38 x 29 mm
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 743 reviews
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Product Reviews
★★★★★ 5
Great shirt!
Size: X-Large, Color: Purple Buffalo
Love it! Light, stretchy, and breathable! The shirt itself is so nice to wear, I’ll probably buy other patterns!
I bought a dozen of these in different sizes for a golf tournament. Sizes ran true. Nice athletic fit!
This pattern made us just the right amount of obnoxious out on the course! Great vibrant violet color from afar, cool pattern up close!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Shoe
Size: 10-11 Women/9-10 Men, Color: 1a-stripe Black-2
These beach shoes have been super comfortable and practical. They fit well, are lightweight, and the sole has great grip, even on wet surfaces. I used them at the beach and by the pool, and they protected my feet really well from hot sand and rocks. They also dry quickly and are easy to carry.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Good, quick, easy water shoes.
Size: 8-9 Women/7-8 Men, Color: 1a-stripe Black-2
For the price? Great little water shoes for a small body of water! Size is accurate, material is breathable, the shoes are lightweight and no cuts/scrapes when out of the water noted. Good buy!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Comfortable to Wear
Size: 11.5-12.5 Women/10.5-11.5 Men, Color: 2c-1172 Watermarks
These are easy to put on and extremely comfortable. The material seems thicker than my old water shoes, so should last longer. The soles provide good grip, even in a swimming pool, which makes them ideal for use in activities like water aerobics. The color flashes on the shoes make them interesting and more appealing than plain black. Highly recommended
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Comfy Pool Shoes
Size: 11.5-12.5 Women/10.5-11.5 Men, Color: 1a-stripe Black-2
I’ve had these pool shoes a couple of months now. Here are my thoughts.
Pros: Inexpensive, comfortable, fit well, dry fast, protect feet for you pool joggers.
Cons: The inner sole gets loose, the material around the toes breaks down.
Bottom line: For the money they’re worth it. Just don’t expect them to last a long time.
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Reviewed in the United States on February 4, 2026
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