ROCKBROS Bicycle Smart Brake Rear Light: Smart brake light functionality
Available Options
There's a task: make yourself visible on the road. Here's the button—the ROCKBROS Bicycle Smart Brake Rear Light. This isn't just another blinky accessory; it's a clever safety upgrade with brains. When you hit the brakes, it automatically flares brighter, signaling your slowdown to anyone behind you. Think of it as a built-in 'heads-up' for urban chaos or group rides where split-second reactions matter.
With five lighting modes—steady, flashing, pulse, and more—you can tweak the output to cut through glare or stand out in dim light. Built from tough aluminum and boasting an IPX6 rating, it laughs off rain, splashes, and daily abuse. Battery life? A solid 80 hours on a charge, plus a handy indicator to avoid those 'oh no' moments mid-ride. Slap it on most bikes in seconds, and it's ready for commutes, night spins, or just extra peace of mind. No fuss, just function.
- Five lighting modes
- Up to 80 hours battery life
- IPX6 water resistance
- Aluminum construction
- Battery level indicator
- Easy installation for road and cross use
- Suitable for day and night riding
- Smart brake light functionality
General specs
- Brand: ROCKBROS
- Seller: Joom
- Battery Life: Up to 80 hours
- Water Resistance: IPX6
- Material: Aluminum
- Lighting Modes: 5 modes
- Compatibility: Road bicycles, Cross bicycles
- Installation: Easy installation
- First listed by seller: 8/30/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
Comparison with similar products
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| Brand | ROCKBROS | ROCKBROS | ROCKBROS | Sturdy equipment | CYCLAMI | JAPAN SPORTS |
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| Price | $46.04 | $54.60 | $52.64 | $21.77 | $45.22 | $44.31 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 31, 2025 | August 26, 2025 | August 28, 2025 | August 20, 2025 | September 4, 2025 | September 4, 2025 |
| Lighting Modes | 5 modes | Multiple modes | Five adjustable modes | 20 modes | ||
| Installation | Easy installation | Tool-free, easy installation | Easy setup for road, cross, and sport bikes | |||
| Waterproof Rating | IPX6 | IPX6 | Waterproof | IPX6 | IPX6 | |
| Power Source | USB rechargeable battery | Rechargeable battery | USB rechargeable | |||
