Magene L308 Rear Bicycle Radar Tail Light - Seatpost Mount

The Magene L308 is a high-performance bicycle radar tail light designed to enhance your safety on the road. Combining a bright 20-lumen tail light with a radar system that detects vehicles approaching from behind up to 150 meters away, it provides visual and audible alerts via compatible bike computers or smartphones. The L308 features an accelerometer-based brake light function, IPX7 water resistance, and a USB-C rechargeable battery with up to 16 hours of runtime in flash mode. Its compact design mounts easily on round or aero seatposts, making it an ideal companion for road, gravel, and commuter cyclists.

Advantages

Stay aware of traffic behind you with radar detection that tracks up to 8 vehicles simultaneously. The 220° beam angle ensures you are visible from all sides, while the brake light automatically brightens when decelerating. With ANT+ and Bluetooth connectivity, the L308 integrates seamlessly with Garmin, Wahoo, Bryton, Magene, and XOSS devices. The IPX7 rating means it can withstand heavy rain and splashes, and the USB-C charging port offers convenient, fast charging.

Suitable for

• Road cyclists who want to increase rear visibility and awareness
• Commuter cyclists riding in traffic
• Gravel and touring cyclists needing reliable, long-lasting lighting
• Cyclists who use bike computers or smartphones for navigation and alerts

Key specifications

• Product Type: Bicycle Radar Tail Light
• Radar Detection Range: Up to 150 m (164 yd)
• Radar Detection Angle: 40° horizontal
• Maximum Detected Vehicles: 8
• Connectivity: ANT+, Bluetooth
• Light Modes: 5 (Solid, Flash, Pulse, Peloton, Off)
• Maximum Brightness: 20 Lumens
• Battery Life: Up to 16 h (flash mode), up to 6 h (solid mode)
• Charging Port: USB-C
• Charging Time: Approx. 2.5 hours
• Water Resistance: IPX7
• Mounting Type: Seatpost (round and aero compatible)
• Brake Light Function: Yes (accelerometer-based)
• Tail Light Beam Angle: 220°
• Battery Type: Rechargeable Lithium-ion

Recommendations

For optimal performance, pair the Magene L308 with a compatible bike computer or the Magene app to receive real-time radar alerts. Ensure the seatpost is clean and dry before mounting. Charge the light fully before first use. The L308 is a reliable safety upgrade for any cyclist.