






🚴♂️ Elevate your ride with the ultimate rear trunk bag—space, style, and speed in one sleek package!
The Topeak MTX TrunkBag offers a generous 22.6L expandable storage capacity, engineered for seamless QuickTrack rack compatibility. Crafted from rugged 600D polyester with EVA foam insulation, it delivers weather-resistant durability and protection. Designed with multiple compartments, including fold-out panniers and a water bottle holder, it balances organization with commuter-friendly features like reflective elements and easy carrying options. Perfect for professionals seeking a stylish, reliable bike bag that transforms daily rides into efficient, clutter-free journeys.





| ASIN | B0F9Y4GWKQ |
| Best Sellers Rank | #24,130 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #73 in Bike Panniers & Rack Trunks |
| Customer Reviews | 4.7 4.7 out of 5 stars (5,095) |
| Date First Available | May 27, 2025 |
| Manufacturer | Topeak |
| Package Dimensions | 14.76 x 8.54 x 8.23 inches; 1.87 Pounds |
F**R
Perfect size! Great mounting system! Clever fold-out panniers!
OK, I have been using this bag daily on my work commute for about a month now, and I absolutely love it! I respect something that is well engineered and this bag certainly is that! That said, this bag is made to be used with Topeak MTX racks. If you don't have one of these, either buy one, or look for a different bag. While I gave this bag 5 stars, it is not perfect, but certainly worthy of 5-stars. First the good points: -Perfect size for what I wanted. I love the fact that I can have a clean looking bag on the rack that has fairly large panniers ready to fold out when needed. The main bag is pretty good sized. The bag comes with a velcro divider, that can be placed anywhere, but I don't use it as I prefer the single large space. That space will accommodate a carton of 12 eggs (actually 2 cartons). It will also hold a full sized iPad, although that has to go in at an angle, so it limits what else can be carried with it. It can also hold a medium size U-lock. -The easy click mounting on the rack is fabulous! Very easy to take on and off and very secure when mounted. The panniers include shock cords to loop around the bottom of your rack, so they are also very sturdy when utilized. The quick release is a very simple design, but works great. It also appears that if the spring ever broke, it would be replaceable by just removing one screw. I doubt that will be necessary, but I always like having repair options. - The panniers are well designed and hold enough for my needs. One pannier is able to accommodate a medium weight jacket or a pair of pants and shirt with ease. One pannier will also easily hold a pair of size twelve shoes. I have stuffed a fair amount of groceries in there, and it has held up fine so far, but I will revise this review in 6 months or so to see if any problems arise. OK, so what could be better? Well, I guess the zippers could be beefier. A few reviews knocked the bag for the zippers. Honestly, they seem pretty good to me. They are all double-zippers, which is nice.They open and close easily, but I suppose heavier duty ones would be better. Also, the handle on top does make the top zipper support all the weight of the bag when carrying that way. I guess this might stress the zipper over time, but if you use a bit of caution, I don't think it will be an issue. One last thing I wanted to point out is that you can store a little bit off stuff in the side pockets even with the panniers folded up. I was storing my spare tube in there and it fit fine, but you certainly don't have a lot of extra room as the panniers take up most of it. All in all, a very clever design that I think is worthy of 5 stars! I hope you found the review helpful and feel free to ask any questions. Cheers!
W**T
Solid Quality with a reasonable price
This is my second Topeak bag. My first was nice enough that it ended up on my wife's bike. It is not a huge amount of space on the top , but it works well. I stuff items in there that I might need and for riding the trails that is perfect. (I put in glasses a rain coat, a hat with plenty of room. The paniers I use only occasionally, but they are perfect for going to the store and picking up a few items - they won't hold a weeks worth of groceries, but they do hold enough to eliminate car trips for me when I need to get there for a few items. I found the quality of the bag to be good. Nothing to complain about. There is a tag on the back of the bag and I use that to hang a light on. That works well. If they actually made a place to clip a light that would be great, but the tag works well enough for me. I have never had any bag loosen or fall off And the clip has always been easy to connect and detach. (I also have my rack slightly tilted towards the front as Topeka recommends). I use this bag on trails but am not an really rough and tumble biker. For me the bag is a good size and for almost all trips eliminates the need for a back pack or something else. The first bag I bought has worked well for a couple years now, so I expect the second to do the same. While they are pricey, I did check out other bags and I find the quality to be excellent and the price to be very competitive with comparable products.
V**G
Amazing fourth dimensional bag!
I exaggerate only slightly; it does seem that the Topeak MTX Trunk Bag DXP is larger on the inside than it is on the outside. I am using the DXP with the Topeak Explorer Bike Rack attached to my Specialized Sirrus hybrid bike. I've only had the DXP for 2 days, so I can't speak to how it will stand up to long term wear and tear, although it does seem to be very well made. I am in love with this bag! My first outing was to the local farmer's market. Parking near the market is very limited, so getting there by bike works prefectly. I locked up the bike and strolled through the market, picking up a long loaf of French bread, a huge bunch of Swiss chard, arugula and basil. I grabbed a bag of tomatoes and some fresh mozzarella. Returning to the bike, I wan't sure that everything would fit, since I already had a couple of bottles of water, some tools and other items in the bag. Amazingly, everything fit. The bread and the bunch of swiss chard were too tall to close the zippers on the side bags, but everything rode safely and securely. A couple of hours later, I went out to the grocery store and bought a good sized cart full of items. I loaded the DXP: in one side bag went a 5 lb bag of flour sandwiched between 2 bottles of wine and topped with a bag of limes and a wedge of cheese. In the other side bag went a box of dishwashing detergent, a half gallon of milk a 1/4 of a watermellon and a bag of lemons. I filled the top compartment with a dozen eggs topped with a large bag of tortilla chips. All of the zippers closed! The side bags have an expandable pleat running through the center that allows them to grow to fit the contents. The weight distribution is terrific; with most of the weight lower than the top of the rear wheel, the effect on balance isn't noticeable. When I reached home, I was happy that I could just unsnap the DXP from the rack and carry it into the kitchen. No bags required! The final outing of the day was an expedition to the municipal pool for a swim. I carried the towels, bathing suits, sun screen, goggles, shower stuff and a few other odds and ends for me and my girlfriend. Once we were there, I could take the DXP right into the locker room. Very nice! The DXP has a mesh pocket on the rear end for a water bottle, another mesh pocket on the top for small items, a small bungee net on top for things too long to fit in the top compartment and a small strap on the back that I use to clip my Planet Bike Blinky Super Flash Tail Light . Inside the cover of the top compartment is a small pocket that I use for a few tools. The side panels are well designed. Folded up, there is enough room for a Kryptonite Evolution Series 4 Standard Bicycle U-Lock with Bracket (4-Inch x 9-Inch) (if you seperate the U from the bar) or some small items. This U lock will also fit in the top compartment. Once you open them, the rigid side covers fold against the rack stays and prevent the nylon bags from hitting the spokes. For extra insurance, there is an adjustable bungee at the end of each side bag that can be snapped onto the bottom of the rack. This is a really great piece of gear!
R**.
Love it.
Well built, very practical, had it for over a year and is very sturdy. The finish is starting to fade out a bit but it's black, so the sun is killing it ;) Side pocket are big enough for many items. You can easily fit 3-4 bottles of wine on each side. Very good item combined with the topeak quick trax.
C**R
Muy buena compra y a pesar de que su tamaño, tiene un espacio aceptable para guardar cosas
B**.
Muy buena calidad.
I**I
Lo primero es que hay que tener un porta equipajes de la misma marca, ya que éste lleva un rail por donde se desliza la bolsa. Perfecto para cuando no necesito mucha capacidad de carga y puedo dejar las alforjas en casa. En mi caso, puedo llevar esta bolsa más las dos alforjas sin problemas.
S**N
Perfect.
R**S
As an enthusiastic cyclist who often commutes and occasionally indulges in longer journeys, storage is a key concern. The Topeak MTX DXP Trunk Bag has not only met but surpassed my expectations. Here's a rundown of my experience: Pros: Robust Design: Made with high-quality materials, the bag has withstood various weather conditions, from sunny days to unexpected rain showers, keeping my belongings safe and dry. Spacious Compartments: The bag is thoughtfully designed with multiple compartments, allowing me to organize my items efficiently. The expandable panniers are particularly useful for those days when I have a little extra to carry. Quick-Release System: Mounting and unmounting the bag from my bike is a breeze, thanks to the MTX QuickTrack system. It's both secure when in use and easy to detach when needed. Reflective Features: Safety on the road is paramount, and the reflective strips on the bag ensure visibility during low-light conditions or nighttime rides. Sturdy Zippers: The zippers are smooth and durable, ensuring easy access to my items without any snagging issues. Cons: Weight: While the bag offers ample storage, when fully loaded, it does add a noticeable weight to the bike. However, given its storage capacity and durability, this is a minor trade-off. In summary, the Topeak MTX DXP Trunk Bag has been a game-changer for my cycling trips. It seamlessly combines functionality with safety features, ensuring that my rides are both convenient and secure. For cyclists in need of reliable storage solutions, I can't recommend this bag enough!
Trustpilot
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