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BBB Cycling BLS-251 Signal Radar Rear
The BLS-251 Signal Radar rear light delivers advanced protection with built-in radar technology, detecting approaching objects up to 190 metres away within a 35 degree angle. It connects easily to your bike computer or smartphone via ANT+ and Bluetooth, providing real-time alerts to keep you aware of traffic behind you.
A built-in speaker allows the light to operate independently, even without a connected device. With a powerful 80 lumen daylight flash and a dedicated car warning light, it offers excellent visibility across six lighting modes. A long-lasting battery provides up to 14 hours of runtime, ensuring dependable safety on every ride.
Features:
- A radar light for ultimate protection, our most advanced light to date.
- Object detection up to a stunning 190 meters and with an angle of 35 degrees.
- Connect your bicycle computer or smartphone easily with the ANT+ and/or Bluetooth connection.
- Built-in speaker for standalone operation, when in use without a computer or phone.
- Maximum of 80 Lumen daylight flash and car warning light.
- 6 modes at your fingertips and up to 14 hours of runtime.
Specification:
- Sizes: Universal (90g)
- Max. lumen in steady mode (lm): 80
- Max. burn time (hours): 14
- Volume (ml): 87
- Width (mm): 42
- Battery type: Lithium Polymer
- Battery indicator: Yes
- Battery voltage (V):L 3.7
- Light source: LED
- Modes: High, Peloton, Flash, Dayflash, Steady Flash, Radar only
- USB type: USB-C
- USB regarchable: Yes
- Waterproof level: IPX6
- Length (mm): 99
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
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In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.