Frustrated With Complicated Light Mounting Systems?

The Zyntrisa Bike Tail Light features revolutionary magnetic adsorption technology that eliminates screws, tools, and frustrating installations. Simply place the light near the magnetic base—it snaps securely into position instantly, yet removes effortlessly for charging.

Worried About Lights Falling Off Mid-Ride?

Unlike traditional strap or clip systems, the Zyntrisa Bike Tail Light's industrial-strength magnetic connection creates an unshakeable bond. The powerful magnetic force withstands bumpy roads, aggressive riding, and harsh vibrations while maintaining perfect alignment throughout your journey.

Need Quick Removal For Charging Or Security?

The magnetic mounting system of the Zyntrisa Bike Tail Light allows instant one-handed removal in under two seconds. No twisting, unclipping, or fumbling—just pull the light away from the magnetic base when you need to charge or prevent theft.

Struggling To Alert Drivers When Braking?

Beyond its magnetic innovation, the Zyntrisa Bike Tail Light features advanced motion sensors that automatically brighten for 1.5 seconds when you brake. This intelligent response combined with rock-solid magnetic mounting ensures your safety signals never fail.

The Zyntrisa Bike Tail Light Combines Magnetic Convenience With Advanced Safety Features

The magnetic base stays permanently mounted on your seat post while the Zyntrisa Bike Tail Light detaches instantly. Seven customizable lighting modes, automatic day/night sensing, and IPX6 waterproofing deliver premium performance without mounting headaches.

• Permanent Magnetic Base Stays Mounted
• Vibration Auto-Start Technology
• Type-C Fast Charging (400mAh)
• Ultra-Secure Magnetic Grip Strength

Q: How does the automatic brake sensing work? Built-in motion sensors detect rapid deceleration. When speed decreases significantly, the Zyntrisa Bike Tail Light automatically switches to maximum brightness for 1.5 seconds, alerting following traffic without requiring any action from you.

Q: How long does the battery last on different modes? Battery life varies by mode: 36 hours (single flash), 27 hours (double flash), 13 hours (strobe), 12 hours (breathing flash), and 8 hours (steady on). Most daily commuters charge weekly.

Q: Is the magnetic mount strong enough for rough terrain? Yes, absolutely. The Zyntrisa Bike Tail Light uses industrial-grade neodymium magnets that maintain secure attachment even during aggressive off-road riding, yet release easily when you pull to remove the light.

Q: How do I know if it's in automatic or manual mode? Double-click the power button to switch modes. In automatic mode, the indicator flashes green intermittently. In manual mode, the indicator stays solid green. This helps you quickly identify which operation mode is active.

Q: Can I use this light in heavy rain? The IPX6 waterproof rating protects against powerful water jets from any direction. It handles rain, splashes, and humid conditions perfectly during normal riding, though prolonged submersion isn't recommended.

Q: What's included in the package? Your Zyntrisa Bike Tail Light package includes the taillight unit, magnetic mounting base, two rubber mounting straps (small and large sizes), and a Type-C charging cable for convenient charging anywhere.

Q: How do I switch between the seven lighting modes? Single-click the power button to cycle through seven different patterns: single flash, double flash, strobe, water drop, breathing, alternating, and steady on. Find the mode that best suits your riding environment.

Q: Will this fit all bike types? Yes, the included straps accommodate seat posts from 19mm to 66mm diameter. The adjustable mounting system works with road bikes, mountain bikes, electric bikes, and most other bicycle types seamlessly.