Description

SPECIFICATIONS

Beads: COB

Body Material: Aluminum Alloy

Brand Name: ROCKBROS

Certification: CE

Hign-concerned Chemical: None

Intelligent sensing: Y

Material: ABS+PC

Model Number: Q4

Modes: 5 modes

Mounting Placement: Seatpost

Origin: Mainland China

Power Supply: Battery

Support Dimmer: 2-4 files

Waterproof: IPX6

Waterproof Level: ipx 6

Weight: About 23g

About Charging

Please use the charging cable included in the package to charge, otherwise it may cause damage to the lights

Product detail

Material: ABS+PC
Beads: COB
Modes: 5 light modes/3 leaves of brightness
Last time: High/8-16h,Middle/15-30h,Low/25-50h
Weight: about 23g
Waterproof rating: IPX6

Smart brake sensor taillight

5 Modes Smart sensor Type-C charge

Product detail

COB Beads+PC lens

5 COB beads,bright and soft light

Smart Brake Sensor

When you brake, the sensor can sense the brake and increase the brightness of the

5 light modes/3 levels of brightness

Vibration sensor Automatic turn On/Off

In smart mode, it will automatically turn off if there is no vibration for about 30 seconds, and it will automatically turn on when vibration is detected

Type-C Charge 260mAh Battery

Sufficient power for daily cycling

IPX6 Waterproof No worries in rainy days

Cycling as you want, regardless of the weather (Note:Dont put it in the water for a long time)

ABS Resin Hard and wear-resistant

ABS+PC shell Lightweight and corrosion resistant

Mini Size,Exquisite outlook

ABS plastic shell Lightweight material Only 23g

Portable design, easy to install

Can be installed without tools

Two installation methods, choose as you like


Product form
  • rockbrosclothing

ROCKBROS Bicycle Rear Light Smart Auto Brake Sensing USB Bike Light IPX6 LED Taillight MTB Road Rechargeable Cycling Accessories

    $34.99

    • 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

      Beads: COB

      Body Material: Aluminum Alloy

      Brand Name: ROCKBROS

      Certification: CE

      Hign-concerned Chemical: None

      Intelligent sensing: Y

      Material: ABS+PC

      Model Number: Q4

      Modes: 5 modes

      Mounting Placement: Seatpost

      Origin: Mainland China

      Power Supply: Battery

      Support Dimmer: 2-4 files

      Waterproof: IPX6

      Waterproof Level: ipx 6

      Weight: About 23g

      About Charging

      Please use the charging cable included in the package to charge, otherwise it may cause damage to the lights

      Product detail

      Material: ABS+PC
      Beads: COB
      Modes: 5 light modes/3 leaves of brightness
      Last time: High/8-16h,Middle/15-30h,Low/25-50h
      Weight: about 23g
      Waterproof rating: IPX6

      Smart brake sensor taillight

      5 Modes Smart sensor Type-C charge

      Product detail

      COB Beads+PC lens

      5 COB beads,bright and soft light

      Smart Brake Sensor

      When you brake, the sensor can sense the brake and increase the brightness of the

      5 light modes/3 levels of brightness

      Vibration sensor Automatic turn On/Off

      In smart mode, it will automatically turn off if there is no vibration for about 30 seconds, and it will automatically turn on when vibration is detected

      Type-C Charge 260mAh Battery

      Sufficient power for daily cycling

      IPX6 Waterproof No worries in rainy days

      Cycling as you want, regardless of the weather (Note:Dont put it in the water for a long time)

      ABS Resin Hard and wear-resistant

      ABS+PC shell Lightweight and corrosion resistant

      Mini Size,Exquisite outlook

      ABS plastic shell Lightweight material Only 23g

      Portable design, easy to install

      Can be installed without tools

      Two installation methods, choose as you like


      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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