X-TIGER Smart Brake Sensing LED Bike Tail Light USB-C

X-TIGER Smart Brake Sensing LED Bicycle Tail Light

Ride with confidence day or night with the X-TIGER WD-1501 Smart Brake Sensing Bike Tail Light. This CE-certified rear light automatically brightens the moment you apply your brakes, making you clearly visible to drivers and fellow cyclists behind you. With a compact ABS + PC body, IPX5 waterproof rating, and USB-C fast charging, it's the smart, fuss-free safety upgrade every cyclist needs.

Made in Mainland China.

Why Riders Love It

• Smart Brake Sensing Technology: Built-in sensors detect deceleration and instantly boost light output when you brake — no manual intervention needed.
• 6 Versatile Light Modes: Constant light, breathing flash, comet flash, slow flash, mixed flash, and ECO quick flash — choose the mode that suits your ride.
• Bright LED Visibility: High-output LEDs deliver a wide, brilliant red beam that keeps you seen from a distance in any conditions.
• Auto Start/Stop in Smart Mode: The light automatically activates when you start riding and powers off when you stop — saving battery life effortlessly.
• USB-C Rechargeable: A 500 mAh battery fully charges in under 2 hours via standard USB-C, so you're always ready to roll.
• Dual Mounting Options: Includes both a seat cushion bracket and a seat tube bracket — fits virtually any bike setup with zero tools.
• IPX5 Waterproof: Rated IPX5, this tail light handles rain, splashes, and wet roads without skipping a beat.
• Lightweight & Compact: Weighing next to nothing and packed into a 4.5 × 4.5 × 9 cm form factor, it won't add unwanted bulk to your ride.

Technical Specifications

Pair It With These

Complete your cycling setup with more great gear from our store:

• 1.1M Eagle Hawk Kite Bird Scarer – Garden Bird Repellent
• 1.3m Spiral Cable Protector for Xiaomi M365 & Ninebot Scooter

Ride Safer — Learn More

Bicycle visibility is one of the most effective ways to stay safe on the road. For tips on cycling safety and best practices, visit the CDC Bicycle Safety Resource Center.

Frequently Asked Questions

Q: How does the smart brake sensing feature work on this bike tail light?

A: The X-TIGER WD-1501 uses a built-in accelerometer/motion sensor that detects when your bicycle is decelerating. When braking is detected, the LED tail light automatically increases its brightness output to alert anyone behind you — just like a brake light on a car — without you needing to press any button.

Q: How long does the battery last on a single charge?

A: Battery life varies by mode. In ECO flash mode you can expect the longest runtime, while constant-on mode uses more power. The 500 mAh battery charges fully in approximately 1 hour and 50 minutes via USB-C. The auto start/stop function in smart mode also helps conserve battery when you're not actively riding.

Q: Is this tail light compatible with all bike types?

A: Yes. The X-TIGER WD-1501 ships with two mounting brackets — a seat cushion bracket and a seat tube (seatpost) bracket — making it compatible with road bikes, mountain bikes, commuter bikes, and most other standard bicycle styles.

Q: Can this light be used in rainy conditions?

A: Absolutely. The light carries an IPX5 waterproof rating, meaning it is protected against water jets from any direction. It is safe to use in rain and wet road conditions. Note: it is splash-proof, not fully submersible.