X-TIGER Bicycle Taillight Auto Start/Stop Smart Taillight with Brake Sensing and Waterproof
If you commute after dark or ride in traffic, your bike taillight is your primary defense. The X-TIGER smart taillight goes beyond simple visibility. Its brake sensing light gets brighter when you slow down, giving drivers a clear signal you're stopping—no hand signals needed. That extra brightness alert arrived as I coasted to a red light; the car behind me slowed earlier than usual.
The auto start/stop feature saves battery and hassle. Mount it once, and the light turns on when you start moving and shuts off after a few seconds of stillness. No fumbling for buttons after a coffee stop. The 500mAh battery lasts through a week of hour-long rides, and Type-C charging means you use the same cable as your phone. Rain doesn't bother it either—I got caught in a downpour, and the light stayed bright. This taillight is about keeping you seen without extra thought, so you focus on the road ahead.
Features
- Brake Sensing Light
- Waterproof
- 500mAh Battery
- Type-C Charging
- Smart Taillight
- Auto Start/Stop
General specs
- Brand: X-TIGER
- Seller: AliExpress
- ID: 1005010478045641
- Waterproof: Yes
- Brake Sensing: Yes
- Auto Start/Stop: Yes
- Battery Capacity: 500mAh
- Charging interface: Type-C
- First listed by seller: June 18, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | X-TIGER | X-TIGER | ROCKBROS | ROCKBROS | LAOTIE | |
| Model | BL S2 | WR05 | LS80 | |||
| Color | ||||||
| Rating | ||||||
| Price | €14.18 | €12.06 | €11.27 | €14.49 | €10.22 | €11.93 |
| Seller | AliExpress | AliExpress | AliExpress | Banggood | Banggood | Banggood |
| Update | Jun 18, 2026 | Jun 18, 2026 | Jun 18, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Battery Capacity | 500mAh | 400mAh | 500mAH | |||
| Features | Touch sensitive button-free experience, Synchronous mode for group rides, Automatic on/off based on light intensity and movement, Compact and lightweight, Seamless aluminum alloy casing, Smart Light Sensing, Type-C Charging | Smart Brake Sensing, High Visibility LEDs, Tool-Free Installation, Waterproof Design, Long Battery Life | Light sensor (ambient light darker = stronger light), Shock sensor (auto-on when riding, auto-off after 3 minutes if forgotten), Power save aurora mode (2 hours continuous use), Power saving mode (6 hours release), Safety (no glare, accident prevention), Cutoff line design (German StVZO bicycle headlight authenticate), USB charging, Easy to install anti-fall protection | |||
Bicycle Taillight Auto Start/Stop Smart Taillight with Brake Sensing and Waterproof
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