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Nomad Tank Bag

Inspired by the hydration packs we use for backcountry skiing and mountain biking, we set out to design a completely different kind of tank bag. The Nomad comes with a 1.5L hydration reservoir, and it has tons of pockets for all those little things you used to throw in a tank bag and promptly lose. Best of all, it unclips from the bike quickly and easily, and converts to a fully functional backpack.

After talking to hundreds of riders around the world, and combining that input with our own personal wants and needs, we decided that, rather than start with a traditional 'toaster' shape, we would divide the Nomad's space into six vertical layers, each with its own specific mission. We compiled a massive list of the things people store in their tank bags and found the majority of the items on the list were very small. A vertical layout maximizes the utilization of space without making the bag too tall.

The top layer of the Nomad features three columns of MOLLE webbing, which can be used to mount an included rain-proof map pocket, or other MOLLE-compatible items that you might want quick access to. For example, it's a great place to store a MOLLE-compatible multi-tool, fixed blade knife, or protective cell phone holder. MOLLE webbing enables you to customize the rider-facing top layer of the Nomad to suit your individual travel style. Some riders like a map pocket, some riders don't.

Below the MOLLE webbing, the next layer is an expandable beavertail. If you already have some of our other bags, then you know just how handy a beavertail can be. On the Nomad, the beavertail serves as a quick-stash spot for things like sunglasses, gloves, snacks, or even a small DSLR camera. If you use it for your DSLR, we provided webbing loops on the beavertail side bellows, so you can clip the D-rings on your camera case directly to the bag. Inside of the beavertail we added a pocket for a Delorme InReach or SPOT beacon, and there's even a gated clip to hold your GPS/camera/InReach lanyards so nothing tumbles out when the bike goes down.

The third layer zips back into your lap, and is specifically designed for small-item organization: things like charging cables, pens, change, batteries, earplugs, chapstick, passport, and bike documents. There are six mesh pockets, three elastic cable holders, two pen holders, and a fleece-lined glasses pocket. No more tangled soup of miscellaneous items floating around in the bottom of your tank bag, everything has a home.

The next layer is a large open compartment, featuring plenty of space for bulkier items like extra maps, spare gloves, wallet, CCW, and food. There are two large mesh pockets (one with side-walls and one flat), which are available if you need them, but compress out of the way if you don't. Also, for contact lens wearers, on the foam-reinforced sidewall there's a removable lens case holder, which can be rotated to keep the cases vertical depending on the orientation of the bag.

Under the main compartment, accessible from a pocket at the bottom of the bag, there's a long, flat pocket that accommodates a 1.8L Platypus hydration reservoir, which is included with the bag. In warmer climates and on long distance trips, it's really nice to relocate the weight of your drinking water from your back to the tank. If you'd rather keep the Nomad as tight as possible to the bike, and/or if you'd like to maximize space in the main compartment, you can remove the reservoir and store it elsewhere on the bike. With the hydration reservoir removed, there's a large patch of hook/loop Velcro in this pocket, which is also a convenient spot for a CCW.

The sixth and final layer of the Nomad houses a quick-stash spot for two sewn-on, crushable backpack straps. Simply un-clip the Nomad from the bike, pull out the backpack straps, clip them to the D-rings at the bottom of the bag, and the Nomad converts into a fully functioning hydration pack. The side straps, which normally connect the Nomad to the bike, now become your waist strap. We use these backpack straps on dualsport trips all the time, from morning hikes to running errands around town. And the best part is that the Nomad doesn't look or feel like a 'tank bag on your back.' It looks and feels like a real backpack.

The Nomad includes a waterproof rain cover, with a welded-seam top panel and sealed seams on the side, to keep all your belongings dry even in a heavy downpour. There's a stash-spot for the rain cover on the top of the bag, and a clip to keep it connected to the Nomad so it doesn't get lost.

After two years of work, and so much input from the riding community, we've tried our best to design the ultimate adventure touring tank bag. We hope you agree!


- Due to the Nomad's long torso, it may not fit on smaller bikes or bikes without a front gas tank. This is a brand new bag, so we'll be learning a lot about which bikes it fits on and which it doesn't.

- We specifically designed the Nomad to sit much farther forward on the bike than a typical tank bag. It's not uncommon for the top of the bag to extend over the handlebars on some bikes. We recommend rigging it as far forward as possible.

- The Nomad expands & contracts as needed. If you prefer a tight fitting tank bag with a low profile, remove the hydration reservoir and map pocket, and cinch it down tight to the bike. For more capacity, take full advantage of the beavertail.

Download a PDF of the Nomad's footprint to help with fitment to your bike HERE.

Read More >
Easy on/off mounting
Stash Spots
Molle Expandability


  1. 1.8L Hydration reservoir
  2. Beavertail stash spot
  3. Quick release mounting system
  4. 6 layers of vertical organization (features hidden inside!)
  5. MOLLE expandability
  6. External beacon pocket (inReach or Spot)
  7. Hydration hose management
  8. Fleece lined sunglasses pocket
  9. Cable pass-through port (charging!)
  10. CCW pocket
Product Specs
  • Capacity: 7 Liters (not including beavertail)
  • Length: 38.1 cm
  • Width: 21.6 cm
  • Height: 14.0 cm(not including beavertail
  • Weight: 1.5 kg
  • Construction + Materials
  • Main Body Materials: 800D Ballistic Nylon
  • Beavertail: 1680D Ballistic Nylon w/ Hypalon panel
  • Rain Cover: Nylon w/ clear PVC welded seam top panel and sealed side seams
  • Map Pocket: waterproof 800D polyurethane coated (PVC free) with welded-seams
  • Internal stiffener to help the bag keep its shape
  • Kit Includes
  • Nomad tank bag
  • 1.5L Platypus hydration reservoir
  • Rain-proof map pocket
  • Easy on/off mounting harness
  • Two lower connection straps for mounting
  • Stashable, rain-proof cover
  • 4 heavy duty, cable ties w/metal closure (for mounting!)

    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.

    "So versatile and user friendly, this makes my rides better in every way. Ease of access for my camera, spare gloves, small tools, wallet, etc... Does everything that I wanted a tank bag to do and then other things I didn't even know I needed. I can't go back to anything else, I'm too spoiled now."

    – Nathaniel, 2018

    In The Wild

    Customer Reviews

    Based on 622 reviews
    Excellent Quality = Excellent Value

    This bag was recommended by a friend. I was skeptical at first of the cost, but after having received the bag I have to say, worth every penny. Everything you need is included, no hidden items to buy.

    Excellent service

    Great bag I would recommend this all day long

    Nomad Tank Bag

    I own a BMW Tank Bag and it's a vault, in size that is. I purchased the Nomad bag for my BMW GSA as I wanted something that wasn't sooo obtrusive but handled what I need to get to quickly. The Nomad is a great bag and nicely organizes my goods in pockets which is much better than the old cavernous tank bag. I also see that a couple of my favorite Vloggers have this bag as well which makes me feel even better (if that is possible) about my purchase. The bag is very easy to put on the bike. My first ride with it I found I mounted it too low on the tank but only took me about two minutes to adjust the straps and shift it up an inch which is now perfect. I would suggest this to anyone wanting to have some things in easy access but not wanting to be tempted to carry the kitchen sink. The quality on the bag is very high which is why I am now looking at getting the adventure panniers for my bike. I have looked at other bags and glad I pulled the trigger on this bag, it's awesome.

    Love my Nomad Tank Bag

    I really like the setup of my Nomad Tank Bag. I used to be a “bucket” organizer tank bag guy. But after trading in my previous bike and the tank bag along with it, I started using my Klim Nacpack on rides. I came to really like and appreciate the organization of the Nacpack, but I didn’t necessarily like carrying a large quantity of water on my back for long periods and having to stop and take off the pack to remove an item or put something away and then put the pack back on my back. The Nomad tank bag has proven to be the best of both worlds. It has the organizational tiered layout that I had really come to appreciate with my Nacpack, but mounts to the bike to take the weight off my back and makes removal of items much easier than my Klim NacPack. The build quality is superb and it is clear much thought went into the design of the tank bag. One small recommendation I would make would be to include zipper pulls. I added them to the bag myself as I found the zipper pulls much easier to manage with a gloved hand than just the zippers. I added some MSR reflective ones to the outside zippers and some blue/black ones that closely match the interior for the inside ones. It looks pretty slick now and increases the ease of managing the zippers :)

    Big bag, small capacity, but more than enough

    Just got the package today. Material quality and design is better than I imaged. It fit my bike perfectly although mine is just a small 155cc bike and this look kinda a big . 7l capacity is not so much, but it's enough for my everyday commute. Love the internal mesh pocket design, perfect for neat freaks like me.
    Aside from paying 50 bucks for the bag to travel half the world TWICE for me (I'm from Vietnam lol), I'm pretty happy with the bag. Now just waiting to test the durability. Looking foward to my next camping trips 🤣

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