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MTB Hydro 3 Hydration Pack

5 out of 5 stars
1 Review

Out of Stock

Don't worry though, we have a lot more Hydration Packs - Large in stock than that.

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Why We Like The USWE MTB Hydro 3 Hydration Pack

The USWE MTB Hydro 3 Hydration Pack is the minimalist, lightweight hydration pack we choose for all of our high-speed off-road adventures. Whether we're chasing podiums in the local enduro series or taking on a 200-mile gravel epic, we know that the No Dancing Monkey 1.2 harness system will keep our pack right where we want it, and the removable pocket lets us stow our repair kit in an accessible spot for quick deployment when we need it most.


  • Streamlined hydration pack built for MTB and gravel riding
  • No Dancing Monkey system prevents annoying movement on rough terrain
  • NDM buckle and 4-point harness create a secure fit
  • 2L bladder has slider opening for easy filling, cleaning, and drying
  • Ventilated back panel helps increase airflow and keep us cool
  • Reflective details provide visibility in low light hours
  • Item #USW1WX4
3L (183.1cu in)
Shoulder Straps
No Dancing Monkey 1.2 system
Waist Belt
Hydration Compatible
Reservoir Included
2L Elite
1 zippered main, 1 detachable zippered
Helmet Carry
12.2 x 6.3 x 3.1in
Claimed Weight
[without bladder] 15.1oz (429g)
cross-country, enduro, gravel, trail
Manufacturer Warranty
2 years

Overall Rating

5 based on 1 ratings

Review Summary

1 Stars - 0 reviews
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5 Stars - 1 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

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Brian SGearhead
5 out of 5 stars

March 19, 2024

Now I see what the hype is about!

I've used it several times

When you start seeing endurance racers like Hannah Otto sporting these, it starts to make you wonder if it's the real deal. Having been a dedicated user of the other major hydration pack brand, I was skeptical about any pack that didn't have a hipbelt and a "bite-valve" claiming to be ideal for mountain biking. Within about 5-10min, I saw the light. That was before even taking it for a ride. It's so easy to fit the straps and before you know it the pack feels snug up against you without jostling around whatsoever. Out on the bike, it's more of the same. Zero movement. I'd just about forget I was wearing it if it wasn't for the weight of the water it's holding. Even with the bladder full, the weight felt secure and stable. So, I'm pretty sold on it as long as I'm not needing to carry a ton of gear. For light and fast efforts, it's perfect. The pack is minimalist, but has enough room for a spare tube, multitool and CO2. You can also squeeze in some nutrition in the same compartment as the bladder. The removable pouch has nice organizing mesh pockets to keep everything tidy which is nice. The bladder so far is easy to work with. Filling, emptying, cleaning are all easy with the top opening all the way up similar to a dry bag. The drink valve has a good amount of flow to it and so far is leak free in addition to having the shutoff lever so your trunk stays dry on the way to the trail. Looking forward to more miles with this pack!