ROCKBROS Bike Trunk Bag 13L-25L Bike Rear Rack Bag Bike Cargo Rack Bag Rear Rack Carrier Bag Review

The ROCKBROS Bike Trunk Bag 13L-25L is a versatile and durable cycling accessory that is designed to make your biking experience more convenient and organized. This rear rack bag offers a spacious capacity of 13-25 liters, allowing you to securely store all your essentials while on the go. Whether you’re commuting to work, running errands, or going on a long biking adventure, this bag is the perfect solution for carrying your belongings with ease.

Say goodbye to bulky backpacks and awkwardly strapped-on baskets, as the ROCKBROS Bike Trunk Bag offers a sleek and streamlined design that attaches easily to your bike’s rear rack. Made from high-quality, water-resistant material, this bag ensures that your belongings stay dry and protected in all weather conditions. With multiple compartments and pockets, organizing your gear has never been easier, allowing you to access your items quickly and efficiently while on the move. Upgrade your biking experience with the ROCKBROS Bike Trunk Bag 13L-25L and enjoy a hassle-free and enjoyable ride every time.


The ROCKBROS Bike Trunk Bag 13L-25L is designed to provide extra storage space for cyclists when they are on the go. With a capacity ranging from 13 to 25 liters, this trunk bag offers plenty of room for carrying essentials such as clothing, food, tools, and other personal items. The bag is easy to install and remove, making it convenient for cyclists who need to quickly attach or detach the bag from their bike’s rear rack. Additionally, the bag is equipped with multiple compartments and pockets to help keep items organized and easily accessible during rides.


The ROCKBROS Bike Trunk Bag is suitable for various cycling activities, including commuting, touring, and recreational riding. Whether you need to carry work essentials to the office, camping gear for a weekend adventure, or groceries from the store, this trunk bag is versatile enough to accommodate different needs. The bag is also water-resistant, providing protection for your belongings in case of unexpected rain or splashes from wet roads. Its reflective elements enhance visibility, making it safer to ride at night or in low-light conditions.


The ROCKBROS Bike Trunk Bag features a durable and sturdy construction that can withstand the rigors of regular use. The bag is made of high-quality materials that resist wear and tear, ensuring longevity and reliability. Its design includes adjustable straps and buckles that allow for a secure and stable fit on various sizes of rear bike racks. The bag’s sleek and streamlined profile adds minimal bulk to the bike, reducing wind resistance and maintaining a sleek aesthetic.

Build Quality

ROCKBROS Bike Trunk Bag is built to last, with reinforced stitching and reinforced panels that help prevent tears and punctures. The bag’s zippers are robust and smooth, allowing for easy opening and closing even when the bag is fully loaded. The bag’s fabric is easy to clean and maintain, ensuring that it remains looking fresh and new even after extensive use. Overall, the build quality of the ROCKBROS Bike Trunk Bag reflects the brand’s commitment to producing high-performance cycling gear that meets the demands of active riders.

Primary Features

Some of the key features of the ROCKBROS Bike Trunk Bag include its expandable capacity, allowing cyclists to adjust the size of the bag based on their needs. The bag also offers multiple attachment points for additional accessories such as rear lights or reflective strips for added safety. Its quick-release mounting system makes it easy to install and remove the bag in seconds, without the need for tools. The bag’s ergonomic handle and shoulder strap provide convenient carrying options off the bike, making it a versatile and practical choice for cyclists looking to enhance their riding experience.

1. Large storage capacity (13L-25L) allows for ample space for carrying items on biking trips.
2. Durable and sturdy construction ensures the bag can hold up well to frequent use and various weather conditions.
3. Easy to install and remove from the bike’s rear rack, making it convenient for riders to use as needed.
4. Multiple compartments and pockets for organizing and storing items such as water bottles, tools, and personal belongings.
1. May add extra weight to the bike, affecting its overall performance and maneuverability.
2. Limited waterproofing may not be suitable for protecting items in heavy rain or wet conditions.
3. May require additional securing straps or attachments to prevent the bag from shifting or bouncing during rides.
4. May not be compatible with all bike models or rear racks, limiting its versatility for different riders.

Product Overview

The ROCKBROS Bike Trunk Bag is a versatile and durable option for cyclists looking to add extra storage to their bike. With a capacity ranging from 13L to 25L, this rear rack bag offers ample space for carrying essentials such as clothing, snacks, tools, and more. The bag is easy to install and remove, making it convenient for everyday use.

Factors to Consider

When evaluating similar products, there are several factors to keep in mind to ensure you make the right purchase decision. Consider the size and capacity of the bag, as well as the material it is made from. Look for features such as water resistance, multiple compartments, and reflective elements for added safety.

Size and Capacity

One of the most important factors to consider when choosing a bike trunk bag is the size and capacity. Determine how much storage space you will need based on the items you plan to carry with you on your rides. The ROCKBROS Bike Trunk Bag comes in two sizes, 13L and 25L, allowing you to choose the option that best suits your needs.


The material of the bag will affect its durability and weather resistance. Look for a bag made from high-quality and water-resistant material to ensure your belongings stay dry and protected. The ROCKBROS Bike Trunk Bag is made from 900D polyester fabric, which is both durable and water-resistant, making it suitable for all weather conditions.


Consider the additional features offered by the bike trunk bag, such as multiple compartments, reflective elements, and ease of installation. The ROCKBROS Bike Trunk Bag features a main compartment with two side pockets for easy organization of your belongings. It also has reflective elements for increased visibility in low light conditions and a quick-release mounting system for easy installation and removal.

Tips for Making an Informed Decision

Before making a purchase, read reviews from other cyclists to get an idea of the bag’s quality and performance. Compare prices from different retailers to ensure you are getting the best deal. Make sure to also consider the warranty and return policy of the product to protect your investment.

Related Amazon Products

How to Find and Choose the Right ROCKBROS Bike Trunk Bag on Amazon

1. Search for “ROCKBROS Bike Trunk Bag” on the Amazon website or app.

2. Filter the search results by selecting the size you need, either 13L or 25L, depending on your storage requirements.

3. Read the product descriptions and specifications to ensure the bag will fit securely on your bike’s rear rack.

4. Check the customer reviews and ratings to get an idea of the bag’s quality, durability, and performance.

5. Compare prices from different sellers to find the best deal on the ROCKBROS Bike Trunk Bag that fits your budget.

Common Issues with ROCKBROS Bike Trunk Bag

1. Compatibility: Make sure to check if the bag is compatible with your bike’s rear rack before making a purchase.

2. Size: Ensure that you choose the right size (13L or 25L) based on your storage needs and the space available on your bike.

3. Durability: Some users may experience issues with the durability of the bag, so be sure to read reviews and choose a reliable brand like ROCKBROS.

4. Installation: Follow the instructions carefully when installing the bag on your bike’s rear rack to avoid any potential issues with fit or stability.


What is the storage capacity of the ROCKBROS Bike Trunk Bag?

The ROCKBROS Bike Trunk Bag has a storage capacity of 13L-25L, providing ample space for your belongings during your bike rides.

Does the bag come with a rain cover?

Yes, the ROCKBROS Bike Trunk Bag comes with a rain cover to protect your belongings from getting wet during rainy weather.

Is the bag easy to install on a bike rear rack?

Yes, the bag is designed to be easily installed on most bike rear racks. It comes with adjustable straps and buckles for a secure fit.

Can the bag be easily removed from the bike for off-bike use?

Yes, the bag features a quick-release system that allows for easy removal from the bike rear rack, making it convenient for off-bike use.

Is the bag durable and made to last?

Yes, the ROCKBROS Bike Trunk Bag is made of high-quality materials and is designed to be durable and long-lasting, providing reliable performance for your biking adventures.

In conclusion, the ROCKBROS Bike Trunk Bag is a highly valuable choice for cyclists looking to increase their storage capacity while riding. With its versatile design that allows for adjustable storage space from 13L to 25L, this rear rack bag is perfect for carrying essentials on long rides or daily commutes. Its durable and weather-resistant material ensures that your belongings stay safe and dry, while the reflective elements provide added visibility for nighttime rides. Overall, the ROCKBROS Bike Trunk Bag is a practical and reliable option for cyclists of all levels.

Related articles