Description

SPECIFICATIONS

Battery: 400mAh

Battery life: 10-20.5h

Body Material: Aluminum Alloy

Brand Name: ROCKBROS

Charging: 5V 200mA(About 2-3 hours for a full charge)

Hign-concerned Chemical: None

Intelligent sensing: Y

Material: Aluminum alloy casing + PC lampshade + plastic bracket

Model Number: BL-S2

Mounting Placement: Seatpost

Origin: Mainland China

Power Supply: Battery

Seat rail spacing: For 38-54mm seat post

Support Dimmer: 2-4 files

Type: Tail Light

Warranty: 365days

Waterproof Level: ipx 6

Waterproof rating: IPX6

Weight: 30g(Includes saddle bracket)

Product Features

1.Upgraded touch-sensitive,button-free experience
2.Synchronous mode,ideal for group rides
3.Automatically turn on/off depending on the light intensity and motion
4.Compact and Light weight(30g)
5.Six illumination modes,10-20.5h battery life
6.Seamless aluminum alloy casing, IPX6 waterproof rating
7.Equipped with both seat bow and seat post brackets

Upgraded Touch-sensitive Multifunctional Brake-sensing Tail Light

Functions

Parameters & Size

Button-free Experience with a Newly Upgraded Touch-sensitive Switch

Operation instructions:
1. Long press the touch switch on the top of the lampshade: on/off.
2. Single click: flashing mode switch(Single Flash, Double Flash, Diffusion Flash; Steady; Ripple Flash, Random Flash).
3. Double click: Smart/Manual/Synchronous mode switch.

Brake Sensing for a Safety Boost During Night Rides

When braking or slowing down during cycling, the tail light automatically brightens and lasts for 2 seconds.

Synchronous Mode,Ideal for Group Rides

In synchronous mode, when teammates equipped with the same tail light get close, the lights automatically switch to and maintain the same frequency of illumination.

Light-sensitive Smart Mode for Day-night Recognition.

Stationary Sleep; Vibration Auto-start

In Smart Mode, the tail light goes into sleep mode after 2 minutes of inactivity.

Six Illumination Modes

Convenient 400mAh Type-C charging

Check the remaining battery with the side ring light.

Water Ripple-shaped Lampshade

Custom-designed by ROCKBROS, the water ripple lampshade refracts light multiple times, creating a mesmerizing pattern for both aesthetics and safety.

Two Installation Options, No Picky Bottom Tube

Equipped with both seat bow and seat post brackets.

Seamless Aluminum Alloy Casing, IPX6 Waterproof Rating

The button-free design further enhances the sealing.

Accessory Display

Package Presentation


Product form
  • rockbrosclothing

ROCKBROS Bicycle Tail Light Smart Auto Brake Sensing Light Waterproof Rear Touch-sensitive Cycling Taillight Vibration Wake-up

    $24.99

    • Shipped today? Order within: Aug 22, 2025 17:00:00 -0700

      Free Shipping $69+ | 365-Day Easy Returns

      TECHNICAL Features
      Breathability
      Aerodynamic
      Weight: 135 g (M)
      UPF: 50+
      Use temperature: 25–38 ºC
      Fitting: ULTRA FIT
      Fabric & Details

      Crafted with premium Italian fabric – Carvico Revolutional™ – this jersey delivers performance and comfort in one. The main fabric is made from 88% recycled polyester and 12% elastane (125 GSM), offering quick-dry capability, 4-way stretch, and UPF 50+ sun protection.

      • Lightweight and aerodynamic design
      • Self-locking YKK zipper
      • Silicone grippers at the hem for a secure fit
      • Three rear pockets for snacks and tools
      • Reflective elements for better visibility on the road
      • OEKO-TEX® & bluesign® certified
      PRODUCT CARE
      • Machine wash cold (Max 30°C / 86°F)
      • Turn garment inside out and zip up before washing
      • Use a laundry bag whenever possible
      • Use mild detergent
      • Do not bleach
      • Do not iron
      • Do not dry clean

      Description

      SPECIFICATIONS

      Battery: 400mAh

      Battery life: 10-20.5h

      Body Material: Aluminum Alloy

      Brand Name: ROCKBROS

      Charging: 5V 200mA(About 2-3 hours for a full charge)

      Hign-concerned Chemical: None

      Intelligent sensing: Y

      Material: Aluminum alloy casing + PC lampshade + plastic bracket

      Model Number: BL-S2

      Mounting Placement: Seatpost

      Origin: Mainland China

      Power Supply: Battery

      Seat rail spacing: For 38-54mm seat post

      Support Dimmer: 2-4 files

      Type: Tail Light

      Warranty: 365days

      Waterproof Level: ipx 6

      Waterproof rating: IPX6

      Weight: 30g(Includes saddle bracket)

      Product Features

      1.Upgraded touch-sensitive,button-free experience
      2.Synchronous mode,ideal for group rides
      3.Automatically turn on/off depending on the light intensity and motion
      4.Compact and Light weight(30g)
      5.Six illumination modes,10-20.5h battery life
      6.Seamless aluminum alloy casing, IPX6 waterproof rating
      7.Equipped with both seat bow and seat post brackets

      Upgraded Touch-sensitive Multifunctional Brake-sensing Tail Light

      Functions

      Parameters & Size

      Button-free Experience with a Newly Upgraded Touch-sensitive Switch

      Operation instructions:
      1. Long press the touch switch on the top of the lampshade: on/off.
      2. Single click: flashing mode switch(Single Flash, Double Flash, Diffusion Flash; Steady; Ripple Flash, Random Flash).
      3. Double click: Smart/Manual/Synchronous mode switch.

      Brake Sensing for a Safety Boost During Night Rides

      When braking or slowing down during cycling, the tail light automatically brightens and lasts for 2 seconds.

      Synchronous Mode,Ideal for Group Rides

      In synchronous mode, when teammates equipped with the same tail light get close, the lights automatically switch to and maintain the same frequency of illumination.

      Light-sensitive Smart Mode for Day-night Recognition.

      Stationary Sleep; Vibration Auto-start

      In Smart Mode, the tail light goes into sleep mode after 2 minutes of inactivity.

      Six Illumination Modes

      Convenient 400mAh Type-C charging

      Check the remaining battery with the side ring light.

      Water Ripple-shaped Lampshade

      Custom-designed by ROCKBROS, the water ripple lampshade refracts light multiple times, creating a mesmerizing pattern for both aesthetics and safety.

      Two Installation Options, No Picky Bottom Tube

      Equipped with both seat bow and seat post brackets.

      Seamless Aluminum Alloy Casing, IPX6 Waterproof Rating

      The button-free design further enhances the sealing.

      Accessory Display

      Package Presentation


      Details That Define the Ride

      • Precision Knit

        Precision Knit

        Micro-knit surface ensures balanced stretch, breathability, and next-to-skin comfort.

      • Clean Stitching

        Clean Stitching

        Flatlock stitching reduces friction for smoother, longer rides.

      • Freedom Fit

        Freedom Fit

        Smooth cuffs contour gently for zero pressure on the arms.

      • Light as Air

        Light as Air

        High-tech fabric delivers a barely-there feel for effortless rides.

      • Free Shipping

        Free Shipping

        Free shipping on all orders — no minimum required

      • Customer Service

        Customer Service

        One-on-one support with 100% email response guarantee

      • Two-Year Warranty

        Two-Year Warranty

        Free repairs or replacements within the 2-year warranty period

      • Secure Payment

        Secure Payment

        Your payment is encrypted and processed securely

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