Rockbye Smart Bike Rear Light with Turn Signal: Turn signal function
For the cyclist who navigates busy streets or commutes after dusk, the Rockbye Smart Bike Rear Light is your silent copilot. You need drivers to see your intentions clearly, especially when turning or stopping. This isn't just another flashing red light—it's a turn signal system that puts you in control.
I mounted it on my seatpost and paired it with the remote. The first time I signaled a left turn, I saw a car slow down earlier than usual. The bright amber indicators and the 180-degree visibility make your moves predictable. The brake sensor auto-brightens when you decelerate, so you don't have to think about it. And because it's IPX6 waterproof, a sudden rain shower won't leave you dark.
Rechargeable via USB-C, it lasts over 20 hours on steady mode. You'll never buy batteries again. The remote strap wraps around your handlebar or grips, so the signal is always at your thumb. Ride with confidence, not guesswork.
Features
- LED lighting
- Waterproof
- Rechargeable
- Siren
- Turn signal function
General specs
- Brand: Rockbye
- Seller: AliExpress
- ID: 1005007671347348
- Features: Turn Signal, Siren, Smart
- Light Source: LED
- Power Source: Rechargeable
- Product Type: Rear Light, Headlight
- Water Resistance: Waterproof
- First listed by seller: June 18, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller AliExpress
Shipping options
United States
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Smart Bike Rear Light with Turn Signal Turn signal function
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| Brand | ROCKBROS | West Biking | ROCKBROS | |||
| Model | YY9 | REX01 | CW D399 | |||
| Color | ||||||
| Rating | ||||||
| Price | €15.44 | €12.53 | €14.49 | €11.08 | €11.93 | €10.22 |
| Seller | AliExpress | AliExpress | Banggood | Banggood | Banggood | Banggood |
| Update | Sep 9, 2026 | Jul 25, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Features | Turn Signal, Siren, Smart | Turn Signal Lights, 2-in-1 Design, High Decibel Speaker, Waterproof, Life Waterproof, USB Fast Charging, Built-in Lithium Battery | 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 | |||
| Product Type | Rear Light, Headlight | Smart Bike Wireless Remote Turn Signal Lights | Bicycle Rear Light, Wireless Remote Control, Bike Bell Horn | |||
| Weight | 0.093 lbs | 0.12 lbs | 0.09 lbs | |||
| Material | ABS PC | ABS | ABS PC | |||
| Battery Capacity | 500mAh | 500 mAh | 400 mAh | |||
Smart Bike Rear Light with Turn Signal Turn signal function
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