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

X-TIGER Smart Brake Sensing Bicycle Tail Light

Stay visible and ride with confidence using the X-TIGER WD-1501 Smart Bike Rear Light. Engineered with intelligent brake-sensing technology and a blazing LED array, this rechargeable tail light automatically responds to your riding — flashing brighter the moment you brake so drivers behind you always know you're slowing down.

Whether you're commuting at dawn, tackling evening trails, or logging weekend miles on the road, this compact, lightweight taillight keeps you seen in every condition. Made in Mainland China.

Key Features

• Smart Brake Sensing: Built-in intelligent sensor detects deceleration and instantly brightens the light — giving vehicles behind you a clear, automatic brake signal without any button press.
• 6 Lighting Modes: Constant light, breathing flash, comet flash, slow flash, mixed flash, and ECO quick flash — choose the mode that suits your ride and environment.
• USB-C Fast Charging: Fully charges in just 1 hour 45 minutes via the included Type-C connection. No more hunting for proprietary cables.
• 500mAh Battery: Long-lasting internal battery keeps the light running through extended rides.
• IPX5 Waterproof Rating: Resists rain, splashes, and wet conditions so your light keeps performing regardless of the weather.
• Auto Start/Stop in Smart Mode: The light powers on when you start moving and turns off automatically when you stop — conserving battery and adding effortless convenience.
• Dual Mounting Brackets Included: Comes with both a seat cushion bracket and a seat tube bracket for maximum compatibility with virtually any bicycle.
• Durable ABS + PC Construction: CE-certified robust materials built to withstand the rigors of daily cycling.
• Compact & Lightweight: Packaged in a slim 4.5 × 4.5 × 9.3 cm form factor — you'll barely notice it's there until it's working hard for you.

Product Specifications

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Cycling Safety Resource

For tips on riding safely and being visible on the road, visit the National Park Service Bicycling Safety Guide.

Learn more: Corner reflector

Frequently Asked Questions

Q: Does the X-TIGER WD-1501 tail light really detect braking automatically?

A: Yes! The built-in smart brake sensor detects when you decelerate and automatically activates a brighter flash to alert drivers behind you. In Smart Mode, the light also auto-starts when you begin moving and shuts off when you stop, so you never have to manually toggle it.

Q: How do I charge the X-TIGER bike tail light?

A: The light charges via a standard Type-C USB cable (included or any USB-C cable you already own). A full charge takes approximately 1 hour and 45 minutes, giving you extended run time for your rides.

Q: Is this tail light suitable for riding in the rain?

A: Absolutely. The WD-1501 carries an IPX5 waterproof rating, meaning it handles rain and road spray without issue — making it a reliable choice for all-weather commuting and outdoor cycling.

Q: What bikes is this light compatible with?

A: The X-TIGER tail light comes with two mounting brackets — a seat cushion bracket and a seat tube bracket — making it compatible with the vast majority of road bikes, mountain bikes, commuter bikes, and hybrid bikes that have a standard seatpost.