ROCKBROS REX01 Smart Brake Sensing Bike Taillight: Automatically turns on/off based on light and movement
For the everyday commuter or weekend rider who wants to be seen without fuss, this taillight is your silent guardian. It’s not just about safety; it’s about effortless peace of mind on busy streets or dim trails. The smart brake sensing kicks in the moment you slow down, giving drivers that extra split-second notice—like a built-in reflex that works before you even think to signal.
You get five lighting modes to match any ride, from a steady glow for city cruising to a flashing pattern that cuts through fog. The IPX6 waterproof rating means a sudden downpour won’t leave you in the dark. With a 500mAh battery and USB-C charging, it powers up quickly and lasts through long adventures, so you can focus on the road ahead. Compact at 42g, it mounts securely with included brackets, staying put on bumpy paths.
Features
- Five lighting modes with 9.5-30 hour battery life
- Type-C USB charging for convenience
- Compact and lightweight at 1.48 oz
- IPX6 waterproof rating
- Smart light sensing for automatic operation in dark environments
- Automatically turns on/off based on light and movement
General specs
- Brand: ROCKBROS
- Model: REX01
- Seller: Banggood
- ID: 2018322
- Size: 3.15 x 1.97 x 2.05 inches
- Brand: ROCKBROS
- Model: REX01
- Weight: 0.093 lbs
- Material: ABS PC
- Lamp beads: 0603
- Battery Life: 9.5-30h
- Charging Port: USB-C
- Lighting Modes: 5
- Smart Features: Auto on/off based on light intensity and movement, Auto light in dark environments, Auto rest in light environments
- Battery Capacity: 500mAh
- Package Contents: Rear Light, Hexagonal Wrench, Type C Charging Cable, Seat Pole Bracket, Bow Bracket, Ring
- Waterproof level: IPX6
- First listed by seller: February 23, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Banggood
Shipping options
United States
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ROCKBROS REX01
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| Brand | ROCKBROS | ROCKBROS | CYCLAMI | Enfitnix | ||
| Model | REX01 | CY120 | Cubelite III | |||
| Color | ||||||
| Rating | ||||||
| Price | €14.49 | €11.93 | €11.08 | €11.93 | €17.88 | €15.34 |
| Seller | Banggood | Banggood | Banggood | Banggood | AliExpress | Banggood |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | Jun 30, 2026 | May 9, 2026 |
| Size | 3.15 x 1.97 x 2.05 inches | 1.34 x 1.34 x 1.18 inches | 3.35x0.87 inches | |||
| Weight | 0.093 lbs | 0.09 lbs | 0.066 lbs | 0.06 lbs | 0.07 lbs | |
| Material | ABS PC | CNC Aluminum Alloy, Plastic | Carbon Fiber, PCB | ABS Metal | ||
| Battery Life | 9.5-30h | 20 hours | 8-40 hours | |||
| Lighting Modes | 5 | 5 Gears | Single Flash, Double Flash, Breathing Flash, Steady On, Running Lights, Spinning Wheels | |||
| Battery Capacity | 500mAh | 500 mAh | 400mAh | 500 mAh | ||
| Features | High Brightness Safety Warning, Dual Brackets, Drop Wear Resistant, Auto and Manual Mode, Intelligent Brake Sensing, Light Sensing, Vibration Start/Stop, USB Charging, IPX6 Waterproof, Optical Lens, Battery Indicator with 4 Lights, Super Lightweight | Instant Activation, Vibration Wake Up, Energy Saving Mode, Multiple Light Modes, Waterproof Design | Auto Brake, Smart Sensor, USB Rechargeable, LED, Breathable Design | |||
ROCKBROS REX01
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