ROCKBROS Q0 Qzero Bicycle Taillight with Smart Auto High Brightness Brake Sensing
For the urban commuter or evening rider, this bike taillight is your silent partner in safety. It's not just about being seen; it's about smart visibility that adapts to your ride. The built-in acceleration sensor flashes brighter the moment you brake, giving drivers behind you an extra split-second to react. You'll notice the difference on busy streets where quick stops are common.
Set it and forget it with auto-on functionality. The light intelligently detects low ambient light, so it turns on as dusk falls without you fumbling for a switch. After 30 seconds of inactivity, it goes to sleep to save battery, then vibrates to wake up when you start moving again. With up to 63 hours of battery life and USB-C charging, it keeps you visible through long rides and daily commutes. Mount it easily with the included saddle bracket and cable ties for a secure, waterproof fit that handles rain and bumps.
Features
- Intelligent ambient light detection for automatic on/off
- Sleep mode for 30 seconds then vibrates to wake up
- Waterproof design for durability
- USB Type-C charging with 5V 2A input
- Long battery life up to 63 hours
- Automatically highlights when braking with built-in acceleration sensor
General specs
- Brand: ROCKBROS
- Model: Q0 Qzero
- Seller: Banggood
- ID: 2029447
- Note: Color may vary slightly due to monitor differences, Allow 0.39-0.79 inch measurement deviation
- Brand: ROCKBROS
- Model: Q0, Qzero
- Features: Built-in acceleration sensor with automatic brake highlighting, Sleep mode with 30-second inactivity timer and vibration wake-up, Intelligent ambient light detection for automatic activation
- Lamp beads: Red Light
- Battery Life: 8-63 hours
- Battery Type: 3.7V 250mAh Polymer Battery
- Lens Material: PC
- Charging input: 5V 2A USB Type-C
- Product Weight: 0.049 lbs
- Shell material: PC
- Strap Material: Silicone
- Bracket Material: ABS
- Package Contents: Tail Light, Saddle Bracket, Seat Post Bracket, 4 Cable Ties, 2 Ties, Charging Cable
- 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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| Brand | ROCKBROS | OFFBONDAGE | CYCLAMI | ROCKBROS | ||
| Model | Q0, Qzero | ATS-Q6 | CY200 | |||
| Color | ||||||
| Rating | ||||||
| Price | €10.22 | €14.49 | €11.93 | €13.06 | €10.57 | €10.22 |
| Seller | Banggood | Banggood | Banggood | AliExpress | AliExpress | Banggood |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | Jun 24, 2026 | Jul 14, 2026 | May 9, 2026 |
| Features | Built-in acceleration sensor with automatic brake highlighting, Sleep mode with 30-second inactivity timer and vibration wake-up, Intelligent ambient light detection for automatic activation | Dual Bracket Design, Lightweight and Portable, Brake Sensing, Intelligent Start Stop, 13 Light Modes, IPX6 Waterproof Rating, Day Night Light Sensing, Adjustable Brightness, Gear Memory Function | Smart Brake Sensing, IPX6 Waterproof, Type-C Charging | Smart brake sensing technology, Ultra bright LED light for enhanced visibility, Easy to install and remove, USB rechargeable for convenience, Water resistant for all weather use | ||
| Waterproof Rating | IPX6 | IPX6 | IPX7 | |||
ROCKBROS Q0 Qzero
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