10 Best Bike Trunk Bag 2025 in the United States

The JXFUKAL Bike Trunk Bag is designed to cater to cyclists looking for a reliable and functional storage solution for their bikes. With a 9.5L capacity, it is best suited for short trips or daily commutes, allowing you to carry essentials like tools, clothes, and snacks without overcrowding your ride. The hard shell made from waterproof EVA and PU materials ensures durability and helps keep your belongings dry during unexpected rain. This is a significant advantage for those who frequently cycle in wet conditions.

One of the standout features of this bag is its reflective elements, which enhance visibility at night, adding an extra layer of safety for evening riders. The bag also comes with a rain cover, making it even more user-friendly in inclement weather. The installation process is straightforward thanks to the buckle and velcro mounting system, allowing you to attach and detach the bag quickly, which is great for commuters who need to remove the bag often.

However, the bag's capacity may be limiting for longer trips or those needing more storage space, as it doesn’t have an expansion layer. While it has several compartments, some users might prefer additional pockets for better organization. Weighing in at about 1.96 pounds, it is lightweight, but this could mean sacrificing some sturdiness compared to heavier options on the market. For versatility, the included shoulder strap is a thoughtful addition, making it convenient to carry off the bike. Whether you're commuting, picnicking, or embarking on a short hiking trip, this bag is a reliable companion.

The Topeak MTX 2.0 TrunkBag DXP with Expandable Panniers is a versatile and spacious bike-trunk bag, ideal for cyclists who need to carry a lot of gear. One of its main strengths is its substantial capacity, offering up to 22.6 liters of storage space with expandable side panniers and a top section. This makes it suitable for longer rides or carrying extra items.

The bag is made from durable 600 denier polyester and features rigid EVA foam insulation, providing good weather resistance and durability, which is a plus for those who ride in varied conditions. The QuickTrack 2.0 mounting system ensures that it attaches easily to any MTX QuickTrack 2.0 racks, adding convenience for bikers who already use this system.

With added features like a water bottle holder, shoulder strap, carrying handle, and mesh pocket, it offers practical solutions for storage and transport off the bike. Safety is also considered, as it comes equipped with a 3M reflective strip, a safety light clip, and a reflective elastic cord to enhance visibility during night rides. However, there are some potential drawbacks. The bag weighs 2.6 pounds, which might add noticeable weight to your bike, especially if you’re trying to keep it lightweight. Lastly, the price and availability could be a concern for some buyers.

The Topeak MTX Trunk Bag DXP is a well-designed bike trunk bag that caters to cyclists looking for a reliable and spacious storage solution. With a generous capacity of 22.6 liters, it allows for the storage of various items, making it ideal for longer rides or commuting. The bag features an expandable top section and side panniers, adding to its versatility. This flexibility means you can adjust the storage space according to your needs, which is a significant strength for those who may carry different loads depending on the day.

Durability is another highlight of this product. Constructed from 600 denier polyester and insulated with molded EVA foam, it promises weather resistance, ensuring that your belongings stay safe from the elements. The multiple compartments, including a divided main compartment, help with organization, allowing you to access items quickly without rummaging through everything.

One of the standout features is its compatibility with QuickTrack systems, making installation a breeze on MTX racks with attachable side frames. This ease of mounting can be a game-changer for users who value convenience. The bag does weigh about 1160 grams (2.53 lbs), which might be a consideration for those looking to keep their bike setup lightweight. Additionally, while the reflective elements enhance visibility during night rides, some users might prefer even more pronounced safety features. The Topeak MTX Trunk Bag DXP is a robust choice for cyclists needing ample storage and durability. While it might feel a bit heavy for some, its capacity, weather resistance, and ease of use make it a solid companion for biking adventures or everyday commutes.