Bike Tail Light Q1

17 reviews
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Bike Tail Light Description:

  • Brand Name: ROCKBROS
  • Certification: CE
  • Model Number: Q1
  • Mounting Placement: Seatpost
  • Power Supply: Battery
  • Color: Black
  • Install method: Saddle / Seatpost
  • Mode: 5 modes
  • Light color: 7 colors

Two Installation Methods

Double bracket design
Saddle mount installation + Seatpost mount installation

Aluminum Alloy

Drop resistant and durable

5 Flash Modes

Real-time Power Display

The four lights in the middle show the power in real-time, Timely charging is more at ease

7 Color


Note: It is better not to immerse in water for a long time

Optical Lens

Highlight Lamp Beads


Only about 30g

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Verified Buyer
24 Sep 2021 06:10

Nice quality light and very compact clean look

Verified Buyer
23 Sep 2021 15:24

Good quality price

Verified Buyer
23 Sep 2021 10:26

Gorgeous light visibilissima.. Price fairytale… consiglitissimo

Verified Buyer
22 Sep 2021 10:47


Verified Buyer
21 Sep 2021 08:29

Exactly as described

Verified Buyer
21 Sep 2021 03:10

good flaslight

Verified Buyer
20 Sep 2021 23:09

Item as described.

Verified Buyer
18 Sep 2021 01:14

Good LED light, came in good time, I would recommend buyer...

Verified Buyer
17 Sep 2021 17:25

-:¦:-•:*'"*:•.-:¦:-•* STARRED!!! Greetings from Brazil *-:¦:-•:*'"*:•.-:¦:-•

Verified Buyer
17 Sep 2021 12:28

Excellent quality. Arrived early in Lima-Peru

Verified Buyer
17 Sep 2021 10:35

not sure about battery time or braking sensor, i bought it cos it can be attached to the saddle so it wont mess with the dropper. looks nice and well made totally worth the price.

Verified Buyer
16 Sep 2021 17:44

The business top!

Verified Buyer
16 Sep 2021 02:53

Everything ok

Verified Buyer
15 Sep 2021 00:17

Very nice and well working object, ne are overjoyed. You can hook up to saddle or to steer tube with different accessories. Very fast and efficient communication with the store. Super recommended

Verified Buyer
14 Sep 2021 14:48

Very good. Light well.

Verified Buyer
14 Sep 2021 03:37

좋아요 늦게왔지만 마음에 들어요 구성도 알참니다

Verified Buyer
13 Sep 2021 12:42



We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Color Biro (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

A few reasons why buy from us:


We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.


Enjoy flexible international shipping services that currently operate in over 200 countries across the world.


It's okay to change your mind! You can send your order back for a full refund, we've got you covered with our full Buyer protection.


Brand new products are available on a regular basis.


We don't want you to choose between the best value and the best service. That's why we offer competitive pricing.


Knowledgeable and professional support team is always happy to help you.


Check your order status online. As easy as that!

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