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  • VIDEO
ThreeH Bicycle Rear Rack Aluminum Alloy BK43ThreeH Direct
  • ThreeH Bicycle Rear Rack Adjustable Aluminum Alloy Bike Rack with Reflector BK431
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ThreeH Bicycle Rear Rack Adjustable Aluminum Alloy Bike Rack with Reflector BK431

4.1 out of 5 stars 875 ratings

To see product details, add this item to your cart. You can always remove it later.

Purchase options and add-ons

Colour Black
Brand ThreeH
Material Aluminum
Item weight 300 Grams
Product Dimensions 54L x 10W x 18H Centimetres
Mounting type Rear Seat Mount
Load capacity 110 pound
Orientation Rear
Manufacturer ThreeH
UPC 661021692843

About this item

  • Material: It is made of high quality Aluminum Alloy,durable and solid.It is suitable for most bicycles, such as road bike, mountain bike, fat bike, etc.
  • Load capacity: 110Lb Capacity, Durable Alloy Steel Rack. For V Brake and Disc Brakes.
  • Dimension: Shelf Length 55 cm, Width 14.2 cm(21.6x5.6in);Panel Length 35.5 cm,Width 14.5 cm(13.9x5.9in). It is adjustable for many kinds of bikes. Easy to Mount.
  • Convenient: With side protecting frame, your luggages are protected from scratching by the wheel or spokes
  • Secure: Includes Red Rear Reflector Lamp and Elastic Cords, which can make you safer to riding at night and keep your luggage secure.

Product information

Technical Details

Product Dimensions ‎54 x 10.01 x 18.01 cm; 300 g
Item model number ‎H-BK43
Is discontinued by manufacturer ‎No
Colour ‎Black
Material ‎Aluminum
Batteries Included? ‎No
Brand ‎ThreeH
Item Weight ‎300 g

Additional Information

ASIN B0789LSVC2
Customer Reviews
4.1 out of 5 stars 875 ratings

4.1 out of 5 stars
鶹 Rank
Date First Available Dec 15 2017
Manufacturer ThreeH

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ThreeH Bicycle Rear Rack Adjustable Aluminum Alloy Bike Rack with Reflector BK431


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Frequently bought together

This item: ThreeH Bicycle Rear Rack Adjustable Aluminum Alloy Bike Rack with Reflector BK431
$46.98
Get it by Wednesday, Jul 30
In Stock
Sold by ThreeH Direct and ships from 鶹 Fulfillment.
+
$29.59
Get it by Wednesday, Jul 30
In Stock
Sold by Just Good Weather and ships from 鶹 Fulfillment.
Total price:$00
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Product Description

1

Note: It does not compatible with folding bikes and bicycles with shock absorption.

1.Seatpost and Frame-Mounted for Heavier Top & Side Load.

2.Quick Release Design for Easy Disassembly.

3.Side Bar / Flank Included. (Can be removed when not necessary.)

4.Suitable for Long Trail Trip, Bike Camping and Mountain Biking.

5.It is a durable, versatile bike cargo rack for long distance touring.

1

Specification

  • Material: High Quality Aluminum-Alloy
  • Length: 21.6" / 55cm
  • Width: 5.6" / 14.2cm
  • Platform Board: 13.9x5.9"/35.5x14.5cm

1

Capacity

  • Suitable for seatposts with a diameter of 32mm/1.26 or less.
  • Load Capacity: 110lbs / 50kg
  • Product Weight: 2.54lbs/1.15kg

1

Installation

  • Each bracket is equipped with a gasket to protect the frame. Please placed it in the correct position during installation.

1

The lateral supports are retractable to facilitate the adjustment of the fixed seat.

1

Rearview mirrors make you safer when driving at night.

1

Three screws under the main panel can help to effectively adjust the length of the seat.

1

High-strength elastic rope can effectively fix goods without slipping.

1

Carrying goods display

1

Overview

1

Details

Customer installation completed display

1

1

1

Bicycle Rear Rack BK41
Bicycle Rear Rack BK431
Bicycle Rear Rack BK46
Bicycle Rear Rack BK47
Bicycle Rear Rack BK48
Customer Reviews
4.1 out of 5 stars 1,702
4.1 out of 5 stars 875
4.1 out of 5 stars 24
4.0 out of 5 stars 108
3.9 out of 5 stars 4
Material Aluminum alloy and rubber Aluminum alloy Aluminum alloy Aluminum alloy and rubber Aluminum alloy
Rear reflector no data

Brands in this category on 鶹

Customer reviews

4.1 out of 5 stars
875 global ratings

Review this product

Share your thoughts with other customers

Customers say

Customers like the functionality, fit, and design of the bicycle cargo rack. They mention it does a great job and looks comfortable for their bikes. Customers also appreciate the lightweight design. However, some customers have different opinions on the assembly and durability.

15 customers mention "Functionality"15 positive0 negative

Customers like the functionality of the bicycle cargo rack. They mention it's good, does very well, and is useful.

"...SHMBO is very happy with this unt. It's very sturdy." Read more

"Very sturdy. Well designed. I love it. There were no instructions which would have been nice to have...." Read more

"Fast shipment, works great!" Read more

"Good rack BUT No instructions !..." Read more

10 customers mention "Fit"10 positive0 negative

Customers like the fit of the bicycle cargo rack. They mention it fits their bikes perfectly and looks comfortable.

"Fits my boyfriend’s fat tire bike perfectly ! He was so happy to receive for Christmas … he was so impressed with its structure . Great but" Read more

"It fit my bike perfectly" Read more

"...The unit took me 10 mins to install and nicely fit my cdn tire saddle bags . Added bonus it doesn’t rattle as you ride down rougher terrain." Read more

"Great universal rack to adjust to any bike, so you have to install through trial-and-error, no instruction manual included" Read more

7 customers mention "Design"7 positive0 negative

Customers like the design of the bicycle cargo rack. They mention it looks good, is sturdy, and well-designed.

"...how sturdy once I put on a pannier bag and load it but for now it looks good. It comes with all the tools you need to install and a back light...." Read more

"Very sturdy. Well designed. I love it. There were no instructions which would have been nice to have...." Read more

"...Description says 100 lbs max but sticker on product says 100 kg. Looks great." Read more

"Looks good and comfortable." Read more

5 customers mention "Rack"5 positive0 negative

Customers like the bicycle cargo rack. They mention it's a great little rack and a bicycle rear rack.

"Solid rack. Has the additional side supports as well as it can be used for panniers . It's all aluminum with adjustments...." Read more

"Great little rack!..." Read more

"Bicycle rear rack...." Read more

"Decent rack..." Read more

3 customers mention "Lightweight"3 positive0 negative

Customers like the lightweight design of the bicycle cargo rack. They mention it makes it easier to carry small items while biking and doesn't have to worry about them.

"Lightweight. Metal has a hollow feel to it. Able to adjust connecting points so it was easy to install on my bike (CCM)...." Read more

"...Although each parts are rather light (and thin) the fixtures are somewhat heavy and I've noticed the overall added bulk to my bike after installing..." Read more

"It made it easier to carry small items while biking, didn't have to worry about items falling out and spilling on ground" Read more

36 customers mention "Assembly"18 positive18 negative

Customers have mixed opinions about the assembly of the bicycle cargo rack. Some mention it's easy to install and looks sturdy, while others say it's troublesome to install without instructions and complicated.

"...about which side the supports bolted to, but all in all, easy to install. Comes with rubber pads to prevent the clamps from damaging your paint." Read more

"Very sturdy. Well designed. I love it. There were no instructions which would have been nice to have...." Read more

"Easy to install works with my pannier bike bags..." Read more

"Does the job. Awkward assembly and to accommodate .saddle bags." Read more

36 customers mention "Durability"25 positive11 negative

Customers have mixed opinions about the durability of the bicycle cargo rack. Some mention it's well-made and impressed with its structure, while others say it breaks too easily and is flimsy.

"...But you can look at the product picture and figure it out! It’s sturdy and will work fine.also missing double sided tape for rubber pads." Read more

"Sturdy and easy to assemble." Read more

"...Broke after 2 months" Read more

"Solid, but one needs three hands to install" Read more

Installed in 15 minutes.
5 out of 5 stars
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Top reviews from Canada

  • Reviewed in Canada on November 12, 2023
    Verified Purchase
    While there weren't any kind of instructions provided, it wasn't too hard to figure out how to fit this thing to my bike. The fixtures are highly customizable, meaning this rack will fit most bikes without any holes pre-drilled.

    Although each parts are rather light (and thin) the fixtures are somewhat heavy and I've noticed the overall added bulk to my bike after installing this. It isn't a big deal, but it's noticeable.

    That being said, it took a little while to adjust all the little screws to get the best fit, but in the end, it all worked out great. It feels about as sturdy as a bike rack in this price range ought to feel. I wouldn't use this rack to bring one of my pet hippos to the vet, but hey...

    Still, in the end, one of the Allen keys provided to assemble this thing did not survive the experience.

    RIP.
    2 people found this helpful
    Report
  • Reviewed in Canada on July 2, 2025
    Verified Purchase
    The media could not be loaded.
    Does the job.
    Awkward assembly and to accommodate .saddle bags.
    Customer image
    4.0 out of 5 stars
    Does the Job.

    Reviewed in Canada on July 2, 2025
    Does the job.
    Awkward assembly and to accommodate .saddle bags.
    Images in this review
    Customer imageCustomer image
  • Reviewed in Canada on March 25, 2025
    Verified Purchase
    Sturdy and easy to assemble.
  • Reviewed in Canada on September 20, 2024
    Verified Purchase
    Convient bien à un fat bike avec pneus de 26 po. Fait solide et bon design pour que les sacoches n’accrochent pas le pneu sur les côtés.
    Report
  • Reviewed in Canada on April 10, 2025
    Verified Purchase
    . Aucune instruction d'assemblage
    . Assemblage ardu si on est seul
    . Solidité discutable mais acceptable
  • Reviewed in Canada on May 8, 2023
    Verified Purchase
    岹ٱ…

    Got a new bike and had to reinstall this thing. 0/10. We can’t get it back on and it’s so overly complicated for no reason. Specifically the portion that attaches to your bike seat.

    Just find one that comes with clear install instructions.

    The other reviews are correct, it’s not that hard to install, once you figure it out, but not including instructions or tips is absolutely insane to me.

    Hopefully the below helps someone else out. :)

    Tips:

    Get a pair of pliers, they will help you hold the back of the bolts when you are tightening the screws with the Allen wrench.
    Then, take all the parts out and lay them beside you, it will make quick grabbing way easier.
    Don’t fully tighten anything until you’re all done and you are happy with the position of every part. (Specifically the long bars)

    Instructions:

    1- install the rack to the seat first, then add the red reflector as you won’t be able to once you pull the rack out past the back.
    2- unscrew the bottom of the rack and pull it out to the length you would like it to be. (It comes pretty short/ tight to the seat)
    3- screw the long poles in (middle hole of the rack) and push them out until they are taught to keep the rack as far up off your tire as possible, then tighten the bottom that attaches to the sides of your bike. I found it was better higher up on my bike, but I’m sure every bike is different.
    4- add the “W” side pieces and tighten them.

    Once installed, it seems pretty sturdy, but time will tell.

    My suggestion to the seller is to include a few steps/ tips or pictures. It would really make things so much easier for your buyers. You’ve made this unnecessarily annoying for absolutely no reason, especially after so many reviews commenting on no instructions.
    Customer image
    1.0 out of 5 stars
    INSANELY annoying to install

    Reviewed in Canada on May 8, 2023
    岹ٱ…

    Got a new bike and had to reinstall this thing. 0/10. We can’t get it back on and it’s so overly complicated for no reason. Specifically the portion that attaches to your bike seat.

    Just find one that comes with clear install instructions.

    The other reviews are correct, it’s not that hard to install, once you figure it out, but not including instructions or tips is absolutely insane to me.

    Hopefully the below helps someone else out. :)

    Tips:

    Get a pair of pliers, they will help you hold the back of the bolts when you are tightening the screws with the Allen wrench.
    Then, take all the parts out and lay them beside you, it will make quick grabbing way easier.
    Don’t fully tighten anything until you’re all done and you are happy with the position of every part. (Specifically the long bars)

    Instructions:

    1- install the rack to the seat first, then add the red reflector as you won’t be able to once you pull the rack out past the back.
    2- unscrew the bottom of the rack and pull it out to the length you would like it to be. (It comes pretty short/ tight to the seat)
    3- screw the long poles in (middle hole of the rack) and push them out until they are taught to keep the rack as far up off your tire as possible, then tighten the bottom that attaches to the sides of your bike. I found it was better higher up on my bike, but I’m sure every bike is different.
    4- add the “W” side pieces and tighten them.

    Once installed, it seems pretty sturdy, but time will tell.

    My suggestion to the seller is to include a few steps/ tips or pictures. It would really make things so much easier for your buyers. You’ve made this unnecessarily annoying for absolutely no reason, especially after so many reviews commenting on no instructions.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
    10 people found this helpful
    Report
  • Reviewed in Canada on August 17, 2024
    Verified Purchase
    This is a well made product that is fairly easy to attach to your bike. Written instructions to help with the installation would have been nice.
  • Reviewed in Canada on April 24, 2025
    Verified Purchase
    Very sturdy a little tricky to put on

Top reviews from other countries

Translate all reviews to English
  • sarah hosgood
    5.0 out of 5 stars Adjustable for many cycles
    Reviewed in the United Kingdom on July 19, 2025
    Verified Purchase
    Ideal for smaller wheel cycles as they are adjustable and are well made
  • Iryna
    1.0 out of 5 stars Artikel is bekrast, niet nieuw
    Reviewed in the Netherlands on October 15, 2024
    Verified Purchase
    Ik heb een nieuwe gekocht, ze hebben hem tweedehands meegenomen
    Customer image
    Iryna
    1.0 out of 5 stars
    Artikel is bekrast, niet nieuw

    Reviewed in the Netherlands on October 15, 2024
    Ik heb een nieuwe gekocht, ze hebben hem tweedehands meegenomen
    Images in this review
    Customer imageCustomer image
    Report
  • Rey
    5.0 out of 5 stars No necesita de los soportes
    Reviewed in Mexico on March 24, 2025
    Verified Purchase
    Buen material, un ajuste adecuado. Sinceramente no necesita la instalación de los soportes laterales. En la foto con una mochila de 38cm de largo
    Customer image
    Rey
    5.0 out of 5 stars
    No necesita de los soportes

    Reviewed in Mexico on March 24, 2025
    Buen material, un ajuste adecuado. Sinceramente no necesita la instalación de los soportes laterales. En la foto con una mochila de 38cm de largo
    Images in this review
    Customer image
  • Florence S
    5.0 out of 5 stars Très bien
    Reviewed in France on December 12, 2024
    Verified Purchase
    Porte bagages solide. J ai pu mettre environ 12 kg dessus et j'ai roulé pendant plus de 15 jours avec tous les jours, il n a pas bougé.
  • RJ
    5.0 out of 5 stars Good value
    Reviewed in Sweden on July 3, 2025
    Verified Purchase
    This rack is perfect for my folding ebike. It was straightforward to install, durable, and good looking. It is ideal for carrying a bit of weight when cycling.