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Backcountry 30L Duffle/Pack

This moto-duffle does it all: it's a duffle, a backpack, and a quick-stash spot during the day. It's a way to keep your wet jacket separate from your dry sleeping bag. It serves as a clean food prep surface next to the campfire and a convenient tool tray for roadside field repairs. The Backcountry Duffle is available in two sizes, a 40L version and a 30L version.

People have been strapping all kinds of miscellaneous duffles to the back of their bikes since motorcycles were invented. Do a quick google search for 'waterproof motorcycle duffle' and you'll see what I mean. The same basic welded seam waterproof roll-top duffle is presented a hundred times over, with different logos. It turns out that when you start from scratch and ask the question 'how should an ADV duffle function' you end up with something that looks and functions a lot different.

With the Backcountry Duffle we wanted to design a motorcycle bag from the ground up, instead of starting with a kayak/rafting drybag. Two things jumped out at us right away. First, we hated having to unpack the entire back of the bike just to put something in or take it out. If you picture a traditional roll-top duffle, the straps that connect it to the bike are going over the opening, which means that you have to undo the straps to get inside. Plus, because the bag is sitting on the back of the bike, by the time you unroll the opening it is too high to see inside. So you take it off the bike and set it on the ground. If you're getting in and out of the bag several times a day this starts to get pretty annoying.

Second, traditional single-layer drybag duffles have a very limited lifespan. There are so many things that can cause them to fail. Campfire sparks, abrasion from a crash, abrasion from the rack it sits on, heat from the exhaust, cracks from sun damage, etc. As soon as anything happens to the bag, it's not waterproof anymore. And if that happens in the middle of a trip it sucks.

We came up with the idea of a bag that's actually two bags – an inner waterproof bag and an outer abrasion-proof bag – to solve that problem. Then we made it a double-ended roll top instead of a top-loader, so you can get things in and out without unstrapping it from the bike. Then we added a beavertail on top of that, so if you need to stash your jacket, or wet/dirty items that you don't want inside the drybag, these things can be stored externally without getting inside the duffle at all.

Then we added backpack straps. Riding 50+ miles on dirt is no big deal on an adventure bike, but if you break down and find yourself hiking out, it's a long friggin way man. Having a comfortable backpack is key. That was the original idea behind the backpack straps, but it turns out it's also super handy for getting everything into (or up to) a hotel room in a single trip. When you're traveling internationally, sometimes it's not ok to leave half your stuff on the bike while you take the other half inside. With the BC 30/40, put the duffle on your back, grab a pannier in each hand, and you're mobile. Plus the straps make it a great airline carry-on for fly-in trips or general travel.

Inside the beavertails there's a mesh pocket for wet/dry items (like a toothbrush), a document pocket which works great for maps, or for your bike documents and passport. The document pocket is especially helpful at border crossings where you have to stop at multiple customs offices on both sides of the border. Remove the document pocket, take it inside the customs office with you, then when you're done put it back inside the beavertail and ride over to the next office. That way you can collect all the country specific paperwork in a specific spot. Also under the beavertail there's a special tent pole pocket so you can split your tent into its various components, making it so much easier to pack. The tent pole pocket also works great for a camp chair, fuel bottles, a fishing pole, etc.

There are two things that take some getting used to on this duffle. First, the materials are really thick, which means that rolling/unrolling the roll-top feels a little cumbersome at first if you're used to thinner kayak drybags or stuff sacks. The materials loosen up with time, have no fear. Second, compared to a top-loader, the double ended roll-top has a narrower throat. So when you're in your tent, or in your hotel room, sorting through the stuff inside is not as easy as it would be with a top-loader. We make top-loaders too, check out our Scout 25/60 duffle if that's the way you're leaning.

The Backcountry Duffle also includes a separate 20L Drysak bag, which can be used to keep dirty/wet items (like shoes or towels) separate from your other belongings.

Want to protect your gear from thieves? Add our Steelcore Locking Straps. The Backcountry Duffle requires one 1.8 m strap. Mounting instructions can be found in this video.

Connection Strap Note: For pavement and graded road riding, virtually any kind of connection strap will work to attach this duffle to the bike. For rough, ungraded terrain or for long-distance, multi-month trips, we highly recommend the Backcountry Cinch Strap, which was designed specifically for this bag and this kind of travel. Whatever strap you choose, if you will be riding offroad, please avoid bungy cords, stretchable elastic straps, or straps with plastic side-release buckles. Even a simple cam buckle strap (like this one by DaKine) is better than elastic.

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Easy on/off mounting
Stash Spots
100% Waterproof
Molle Expandability
Product Specs
  • 30 Liter capacity
  • Length: 45.7-61 cm main body – can be extended significantly with roll tops!)
  • Length with top roll open is 81.3 cm
  • Width: 33 cm
  • Height: 25.4 cm (can be extended with beavertail)
  • Weight: Approx 2.5 kg
  • Construction + Materials
  • Outer Shell Materials: Ballistic Nylon
  • Inner Dry Bag Materials: 100%
  • waterproof 22 oz PVC with welded seam construction
  • D Rings: Aluminum rather than plastic to withstand abuse
  • Top Panel: 22oz PVC for easy washing, extra water resistance, and abrasion protection
  • Beavertail: Ballistic Nylon – providing extreme abrasion resistance
  • Kit Includes
  • Backcountry 30L Duffle
  • 20L Drysak

    We needed this.

    Product Creation at Mosko is an effort born of necessity. Everyone on our team rides – and time on the trail translates to an innovative, always improving product line. Crafting gear that will outperform in even the most harsh riding conditions means we make no compromise, ever.

    "It doesn't get any better than these duffle bags. High quality, great features, and will last a lifetime. I have previously had most of the other brands of duffles and different tail bags and would never go back!!! Would buy again!"

    – Arthur, 2018

    In The Wild

    Customer Reviews

    Based on 377 reviews

    Great bag. Just used this for a Week of riding camping hikes in Moab. Not only is it a great dry bag who new it would keep all the dust and sand out.

    Well Built and Well Designed

    I am now the owner, and user of the Mosko Moto 35L panniers and mounting system. I have had other, and cheaper panniers in the past, but they never held up after serious use. Mosko Moto has taken soft panniers, in my opinion, to another level. Quality, functionality, and looks good. If you are looking for reliable and funtional panniers, get Mosko Moto....you will not be disappointed.

    A Great Duffel

    I used the 40L Duffel on a recent weekend camping trip on my Vstrom and it performed really well. I stuffed it to the gills with a sleeping bag, Thermarest, tent poles, Thermarest chair, tent, tent stakes, pillow, et al and it swallowed it all without a hitch, cinching down with well-placed straps. Two Mosko cinch-straps, purchased separately, held it securely to the back of the little Strom, but were easily removed when time to do so. The velcro strap-keepers on the end of each strap kept everything from flapping and the handles on the bag were super convenient and well-placed. A big hit for me.

    The fly n ride killer

    Put about 10,000 miles on my BC40, and it's still going strong. Having double side entry took me a trip or two to get used to (vs. boxes or a duffel), as your stuff will always be tilted to the left when your bike is on its side stand. This bag is best for big ticket, light items like your sleeping bag, tent, camp chair, change of clothes, puffy jacket, etc that you immediately unload when you arrive at a campsite. Leave the heavier smaller items to your side luggage. The beaver tail is super useful for stowing my jacket when I'm riding in just a jersey, or for firewood runs up the trail.

    Love this thing for fly n ride trips, it's just so useful. Throw all your heavy small items into this bag to take as a carry on on the plane, leaving your checked luggage for helmet, boots, etc.

    If I had to pick something I'd change, I'd like the pocket inside the beaver tail to be slightly larger to accommodate a folded camp chair. That's one item which it's nice to have on hand for roadside rest stops. I don't see a big upside to keeping the tent poles in a separate pocket. Anyway, small potatoes.

    This bag is easily the most well thought out piece of moto luggage I own. Get one!

    40L duffel? Don’t mind if I do!

    Ok, first off...the 40L Duffel is my first piece of Mosko kit for my KTM 1290 SAR and It’s pricey, no question. Doubly so for me. As a Canadian, not only do we pay a premium for the product with the current exchange, we pay through the teeth for shipping (Mosko, you guys are killing me with the usps only option) and then we pay AGAIN for duty/fees. So to say I payed about double for the product is likely an understatement. I imagine there’s a lot more to shipping across borders than I’m aware of, but damn...$$$$.

    That said...the product itself, which is really the most important part, is fantastic. You can see/feel the quality in every stitch and it feels bombproof. I have relatively new GIVI Gravel T panniers purchased in Canada (...I just couldn’t swing the punishing cost of the Moskos once they got to my door) and the GIVI’s are well made, but the Mosko duffel puts them to shame from the quality standpoint.

    The long story short, if it wasn’t for the shipping costs to get to Canada, I’d have Mosko Moto Top to Bottom. My only critique (beyond the shipping), is cmon man! I’m an ADV guy, you know we live for stickers! Why don’t you toss a couple in there when spending beaucoup bucks? ...if still have bought extras ;).

    I don’t regret my purchase, in fact I’m fairly certain wearing mosko on the SAR legitimizes me as an ADV rider. I’d encourage you to invest in some of your own gear. It’s my first, but it won’t be my last piece from Mosko Moto. You guys & gals get it.

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