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ROCKBROS R Series BicycleTaillight Smart Brake Sensing Day/Night Sensing Waterproof Type-C Cycling Taillight

ROCKBROS R Series BicycleTaillight Smart Brake Sensing Day/Night Sensing Waterproof Type-C Cycling Taillight

Regular price $34.99 USD
Regular price $0.00 USD Sale price $34.99 USD
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Introducing the ROCKBROS R Series Bicycle Taillight - the perfect addition to your cycling gear. This smart taillight is equipped with advanced features to enhance your riding experience and keep you safe on the road.  The taillight is designed with a smart brake sensing function that automatically turns on a bright flashing light when you apply the brakes. This helps alert motorists and other cyclists behind you, ensuring your safety while on the road.  With day and night sensing capabilities, this taillight adjusts its brightness according to the ambient light, providing optimal visibility during both day and night rides. This makes it a versatile accessory that you can use for all your cycling adventures.   The ROCKBROS R Series Bicycle Taillight is also waterproof, making it suitable for use in all weather conditions. You can confidently take on rainy days and muddy trails without worrying about damaging the taillight.  The taillight is powered by a Type-C USB rechargeable battery, eliminating the need for frequent battery replacements. It also has a long battery life, so you can enjoy uninterrupted rides without any worries.  Easy to install and compact in size, the ROCKBROS R Series Bicycle Taillight is a must-have for all cyclists. It not only adds a touch of style to your bike, but also provides essential safety features for a worry-free ride. Don't compromise on safety - get your ROCKBROS R Series Bicycle Taillight today and enjoy a safer and more enjoyable cycling experience.


  • Lamp beads: LEDLamp Bead/COB Lamp Bead
  • Weight: R1:30g, R3:33g, R4:29g, R5:55g
  • Battery: Lithium battery
  • Material: Aluminum alloy/ABS
  • Power Supply: Battery
  • Brand Name: ROCKBROS
  • Model Number: R
  • Type: Tail Light
  • Mounting Placement: Seatpost
  • Origin: Mainland China
  • Choice: yes
  • semi_Choice: yes




  • Order Processing Time:  1-2 Business Days
  • Order Delivery Time:  10-13 Business Days

Product Features

1.Synced breathing
2.Brake sensing, stationary sleep
3.Vibration on/off
4.Day/night light sensing
6.Team function tail lights

Summon Friends, Synced Breathing

Double-click to enter sync mode, automatically matching the same frequency breathing light with friends who have R-series taillights when riding close to each other.

Brake Sensing for a Safety Boost During Night Rides

When braking or slowing down during cycling, the tail light automatically brightens and lasts for 3 seconds, conveying deceleration information to the rear, enhancing warning visibility.

Three-level Adjustable Brightness, Stand Out on the Street

Stationary Sleep; Vibration Auto-start

In Smart Mode, the tail light goes into sleep mode after 30 seconds of inactivity and lights up automatically upon detecting vibrations.

Day/Night Sensing

Lights extinguish in bright conditions and illuminate in low light.

Basic Model with Seven-color Breathing Light

Seven-color breathing light flashes in breathing light mode.

Built-in Lithium Battery, Convenient Type-C Charging

Comes with USB-Type-C charging cable.

Seat bow/Seatpost, Two Installation Options

Equipped with two installation brackets for flexible placement.

Dust and Rain are No Worries

Please tighten the charging port dust plug and the taillight bracket to ensure waterproof performance; avoid immersion in water.

Real Shots of Various Models

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