ROCKBROS Bike Rear Light Smart Auto Bicycle Brake Light

(20 customer reviews)

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    ROCKBROS Bike Rear Light Smart Auto Bicycle Brake Light

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    ROCKBROS Bike Rear Light Smart Auto Bicycle Brake Light

    Product Details:

    COB LED.

    • Full 6061 Aluminium alloy chassis.
    • Automatically turn on/off depending on the light intensity and motion.
    • Automatically switch to sleep mode to save power.
    • Seat rail mounting
    • 4 flash modes.
    • 20hrs+ run time.
    • 400mAh Li-ion rechargeable battery.
    • USB charging.
    • Battery indicator ( flashes every 6 seconds)
    • Compact and Lightweight design (55g).
    • IPx6 Waterproof.

    About Charging

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

    Product Information:


    Smart Light Sensing

    Using a highly sensitive smart sensor chip
    Able to correctly detect vibration and braking action


    COB LED +Ensca lens

    High visibility at night but not dazzling


    Comparison Of Old & New Technology

    Compared with the old taillights, the new Q5 taillights use more technical quality lamp beads and lenses.
    Make the light soft, not hurt the eyes, more secure and stable.


    Old Model-fog Lens

    Low cost, simple process, softens the light by reducing brightness

    Q5-Optical Lens

    High cost, complicated process, keep light transparent and bright without glare


    Old Model-LED Patch

    Low cost, simple process, and short life
    More dazzling at the same brightness

    Q5-COB Inversion

    High cost, complicated process
    Longer life, more stable
    Softer at the same brightness

    Brake Sensing-Integrated Accelerometer

    Q5 comes with a built-in accelerometer/high-performance MCU and is powered by the three-level digital filter algorithm which ensures the correct detection a brake.


    Shock Sensing

    Automatically turn off the lights when there is no vibration for 30 seconds, and turn them on automatically when you feel the vibration

    (Except in constant light mode)


    Smart Light Sense

    Built-in light sensor
    Works in harmony with vibration induction
    Smart Start and stop saves power

    The strobe and constant light modes are manually controlled and are not affected by the sensing element


    The SOS and Bright modes are manually controlled and are not affected by the sensing element


    Battery Indicator

    The indicator light flashes every 6 seconds, prompting the current battery


    Switch modes at will

    Click to switch the flashing mode: Flashing-Breathing-SOS-Shutdown


    IPX6 Waterproof Design

    Proper to any abusive environment


    Compact and Lightweight design


    CNC Aluminum Alloy Shell

    Anti-scratch and anti-fall


    Weight 0.120 kg
    Dimensions 3 × 3 × 3 cm
    Brand Name


    Model Number


    Mounting Placement


    Power Supply


    Install method

    Saddle / Seatpost


    Aprox 55g (include holder)

    Physical size

    40*34*34 mm


    60 Lumen

    Smart Sensor

    Brake/Motion/Light Sensing


    400mAh Li-ion re-chargeable battery


    Please use the charging cable included in the package to charge

    Based on 20 reviews

    5.00 Overall

    Only logged in customers who have purchased this product may leave a review.

    20 reviews for ROCKBROS Bike Rear Light Smart Auto Bicycle Brake Light

    1. H***k

      24 November ordered and 4 December arrived in the Netherlands. Properly packaged! Light is not mounted on the bike, but looks very soundly out. Just like other products of ROCKBROS. For that reason also chosen for this brand, despite that there cheaper alternatives are.

    2. f***r

      The existing rear lights entered the charging port due to rain and broke down due to a malfunction. The cost is good, the product is in good condition, and the delivery is fast. The charging port is hidden in the coupling, so the machine won’t malfunction because it’s wet.

    3. B***l

      Is the second light buy, unfortunately lost the first, is already comes with c what is still better. Top quality????????

    4. T***k

      It is a second parts that I ordered for my brother. It has good quality and strong light. Shipped fast to Hungary.

    5. V***a

      Arrived on time on the island of Gran Canaria, it took approximately 9 days, perfect to go out by bike even mtb, it is well adjusted to the handlebar, next to the seatpost, enough space to carry some objects such as mobile phone, Power Bank charger and a windbreaker or even a camera, highly recommended, Quality, perfect price, thanks to the rockbros.

    6. T***g

      Good lantern. Dimensions and stoplight work. I just don’t know if it can be disassembled to replace the battery (in the future).

    7. V***v

      Excellent flashlight, holds the battery well, all sensors work properly. Securely attached to both the seatpost and the saddle

    8. r***r

      Very good price, I arrive before the scheduled time, in very good condition, original product, body of e or recommendation pay close attention when you choose the purchase so that the one you want arrives. Congratulations to the rockbros I will buy you products again because it is original, serious and fulfilled.

    9. T***D

      Extraordinary, this product works perfectly the rockbros was very fast. You can buy without problem. I want to order a second one!

    10. P***M

      Excellent Product, perfectly packed and with all its accessories. I arrive in chile in 1 weeks.

    11. P***l

      Great flashlight. The quality of performance is on top! Copes with his task with a bang.

    12. O***v

      Excellent lantern and all the functionality works, got on the seat well.
      The seat post mount was not needed, I took both, just in case.
      The design is thoughtful, there are even plastic inserts in the Mount so as not to scratch the seat base.

      It shines perfectly, I drive mainly in the 2nd mode smart, I haven’t sat down yet, it keeps charging well while new.

    13. Y***v

      To bring good, you can see the better, the people of the Lishe are 1 mini-yakshchi you have a pipe and a Kut and a headlight to bring down

    14. А***к

      The flashlight is excellent, two attachments on the saddle at the bottom and on the seat, a cord for charging. 4 Modes. Came charged. All the world.

    15. g***g

      The chic flashlight is very bright and stylish, every day I drive for 6-7 hours and constantly on, the charge is more than a week. Very satisfied with the product thanks to the rockbros.

    16. A***n

      Cool flashlight, took 1200 pcs, full set, like everything, Type-C charging, multiple modes, stop stop function

    17. G***o

      It looks good quality solid aluminum, it remains for me to see the autonomy, but it looks excellent.

    18. U***k

      Looks beautiful, can be seen both day and night, when braking, it burns brighter. Made of good material

    19. I***t

      To Germany in 8 days! Excellent lantern-I took the third in a row. This one for a comrade.

    20. N***h

      Excellent lantern, I order the second one. The first I lived for 3 years, and then I flew off the gum it is not clear how. So that this was not the case, I recommend where I noted with a circle, to drill a small hole and tighten it with a clap.

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