| | |  | Bicycle Drivetrain | Home » » 2008 Topeak MTX Trunk Bag DX 500 cubic inches Black | | | | | | | Description: | | Topeak MTX Trunk Bag DX. 500 cubic inches. Black .
Insulated main compartment with molded EVA foam sides, top and bottom
500 cubic inches.Black w/3M reflective trim.
Deluxe rear rack mounted storage bag ideal for commuting, general purpose or in conjunction with full panniers for touring.
MTX bags fit MTX racks only | | | Features: | |
• Topeak MTX Trunk Bag DX.
• 500 cubic inches.Black w/3M reflective trim.
• Insulated main compartment with molded EVA foam sides, top and bottom.
• Deluxe rear rack mounted storage bag ideal for commuting
• MTX bags fit MTX racks only
| | | Product Details: | | | Product Length:
| 11.0 inches | | Product Width:
| 9.75 inches | | Product Height:
| 0.75 inches | | Product Weight:
| 0.51 pounds | | Package Length:
| 14.4 inches | | Package Width:
| 9.9 inches | | Package Height:
| 6.9 inches | | Package Weight:
| 2.1 pounds | | Average Customer Rating:
|  based on 23 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 23 customer reviews )
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Most Helpful Customer Reviews
35 of 35 found the following review helpful:
 So, how big is it?Jun 15, 2009
By drefractor
To help visualize, the horizontal space of the main compartment of this trunk is big enough to tightly carry two plastic gallons of milk and there is a vertical separator panel with velcro ends to sort into 2 loads. The vertical space of the main compartment will allow the zipper to close with a milk container in the rear, but as the front slopes downward, there's not quite enough clearance in the front of the trunk for the top of the second milk container.
The side pocket space is pretty narrow due to the rigid molding which gives the bag a neat and trim appearance -- don't plan on putting anything much more than an inch wide if you want to be able to zipper close. Otherwise don't forget to bring a bungie cord or two (always a good idea) in which case the top of the pocket opens to about 5 inches before being held at that width by side expanders on the front and back. I would have rather had the rigid sides confined to the main compartment or had the side pockets otherwise engineered to zipper close around wider objects.
Plenty of places to strap the trunk down if you don't have a Topeak MTX bike rack, but it's pretty slick if you do have one. Just slide and go and use the included carrying strap if you want to use it as a small shopping carrier.
A bit pricey, but a nice product overall.
25 of 25 found the following review helpful:
 Great bag, watch out for bumps!Jul 08, 2009
By S. Wohler
This rack-mountable bag looks great and works very well. The rigid panels are especially nice, and I am able to keep important things in it when I ride, without worrying if they might get crushed.
The only think I would suggest, is that because the clip is in the front of the bag, and it slides in from the rear, keep an eye on it while riding. This is a silly design for the clip, as if the bag escapes, it will only go one direction, backwards! I was riding the other day, and sure enough, I hit a bump and didn't think to look back until a couple minutes later -- only to find the rider behind me carrying it as he approached. For the remainder of the ride, I had to lash a belt through the loops and to the seatpost. I can't imagine not noticing until I stopped! I would have lost a wallet and a cell phone. Needless to say, I was irritated.
So, my suggestion to Topeak would be to have it clip instead in the back (a horizontal clip that detents UP when the bag is slid in all the way, for instance). For anyone who has purchased this bag, be mindful of this, or use a cord at the front to make double sure you won't lose it.
7 of 7 found the following review helpful:
Great bag for commutingMar 20, 2010
By G. Dukeman
"bike commuter"
After bike-commuting to work for the last 3 years with a backpack to carry my clothes and lunch, etc., I was tired of my back sweating and my spine being thrown out of alignment from the weight of the backpack. After a lot of research, I decided to get this bag and its companion Topeak explorer rack. I carry a lot of stuff with me on my commute so it was important to have a large bag - this is one of the largest out there. It's not as spacious as my old backpack but it is adequate to carry everything I need it to. I wish it had velcro to fasten the mesh pockets because my cell phone and keys tend to pop out - after my keys plopped out one day on to the asphalt, I've since stored them in the bag's main compartment for safekeeping. I haven't used the bag on a rainy day yet but it seems like it is fairly water-resistant. The zippers are a bit wimpy making me skeptical of this bag holding up as well as my backpack did - be gentle when opening and closing the zippered compartments. I love the way it slides on and off the rack in seconds and the shoulder strap makes it convenient for carrying off-bike. Overall this bag and companion Topeak rack are the best solution I've seen for regular bike-commuting.
3 of 3 found the following review helpful:
 The best I have ownedApr 27, 2010
By Dog Lover
I bike a lot. I have probably owned 6-7 carrier bags. This is simply the best one yet. Other bags had individual features not contained in the Topeak MTX, but overall, this one is the winner. It is deceptively large. I am always amazed at how much stuff I can get into this bag. The two side pockets are rigid, but hold a lot of odds and ends. The main compartment has a Velcro divider, should you choose to use it. I divide mine about 20%/80%, with the 20% being in the front. I put small items and heavy stuff in the front 20%, with the 80% available for snacks, an extra shirt, maps, etc. There is a small internal pocket on the zip-top for a billfold, etc. There is also an external net-pocket and a tie-down cord on the top of the bag.
The only features where I would score one of my other bags higher are 1) one of my bags had a "secret" pocket for money, etc. that the Topeak does not offer, and 2) the zippered expansion area on the Topeak is not as large as on a couple of my other bags.
Lastly, if you get the matching Topeak seat-post rack, this bags just slides on and locks into place. It's a great system.
3 of 3 found the following review helpful:
Sill using this bag 1 year laterJan 17, 2010
By T Durden
"T Durden"
Great bag. You might not be ablt to tell but the top of this bag even zips and unzips to give even more capacity. There are two top zippers, one closes the bag and the other gives more capacity, hope that makes sense. I love this bag. Slides on and off easily. I usually just leave it on my bike, though. I've never once had it slide off the bike.
See all 23 customer reviews on Amazon.com
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