Hitting the trails requires focus, stamina, and reliable gear. For mountain bikers, a hydration pack is non-negotiable, providing hands-free access to water and a place for essentials. CamelBak is a leader in this space, offering packs designed specifically for the rigors of off-road riding. The right pack can improve your comfort, keep you hydrated longer, and even help you carry tools and layers. This roundup breaks down nine top CamelBak options to help you find the perfect match for your riding style, from minimalist vests to full-featured cargo haulers.
Whether you’re a cross-country racer needing speed and efficiency or an enduro rider requiring more storage and stability, there’s a CamelBak built for the job. Key factors include reservoir capacity, ventilation, storage layout, and overall fit. We’ve analyzed models ranging from the ultra-lightweight to the tactical-tough, highlighting the features that matter most on the bike. Read on to compare the best CamelBak hydration packs for mountain biking and make your next ride more prepared and comfortable.
The Best CamelBak Hydration Packs for Mountain Bikers
- CamelBak Octane 10 70oz Hydration Pack
- CamelBak Classic Hydration Pack, 85oz
- CamelBak Ambush Tactical Hydration MOLLE Backpack
- CamelBak M.U.L.E. Mountain Biking Hydration Backpack
- Camelbak Repack LR 4 Hydration Pack 50oz
- CamelBak Hydrobak Bike Hydration Pack 50oz
- CamelBak Crux 3-Liter Water Reservoir
- CamelBak M.U.L.E. 12 Mountain Bike Hydration Backpack
- CamelBak Skyline LR 10 Hydration Pack
CamelBak Octane 10 70oz Hydration Pack

The CamelBak Octane 10 is a streamlined pack built for riders who prioritize a low-profile fit and excellent ventilation. Its 70-ounce (2-liter) Crux reservoir provides a faster flow rate to keep you hydrated during intense efforts. The pack is designed to move with you, making it a solid choice for technical trails where balance is key.
Comfort is enhanced by the 3D vent mesh back panel, which promotes multi-directional airflow and cushioning to keep you cooler. A stretch overflow pocket on the front offers a quick and easy place to stash a windbreaker or a snack. This pack is for the rider who wants essential hydration and a bit of storage without any bulk.
CamelBak Classic Hydration Pack, 85oz

True to its name, the CamelBak Classic delivers a straightforward, effective hydration solution with a generous 85-ounce capacity. It features the efficient Crux reservoir, which is known for delivering more water per sip. The simple design focuses on the fundamentals: carrying water comfortably and reliably.
The breathable air mesh back panel provides a lightweight and comfortable fit for long days on the bike. For added safety during early morning or evening rides, reflective accents improve your visibility in low-light conditions. This pack is a dependable workhorse for riders who want a no-fuss, high-capacity hydration option.
CamelBak Ambush Tactical Hydration MOLLE Backpack

Built for extreme durability, the CamelBak Ambush is a tactical-style pack that can handle the toughest conditions. It uses 500D double-rip Cordura fabric, offering exceptional strength and abrasion resistance for riders who frequently encounter rough terrain or brush. The 100-ounce reservoir provides ample water for long, remote adventures.
This pack features an external fill design, allowing for rapid access to the reservoir’s fill cap without unpacking. Multiple MOLLE webbing and pockets provide extensive organization and attachment options for gear. It’s an ideal choice for the rider who needs a nearly indestructible pack with maximum configuration flexibility.
CamelBak M.U.L.E. Mountain Biking Hydration Backpack

The M.U.L.E. is a legendary name in mountain biking, and this model continues the tradition of being a versatile, all-day pack. Its Air Director back panel is engineered to channel airflow directly to your back, a major benefit during strenuous climbs. The pack includes a removable stability belt that adds support when loaded or can be taken off for a lighter feel.
With a 100-ounce reservoir, it provides plenty of hydration. The Magnetic Tube Trap keeps the bite valve secure and accessible. A ventilated harness and well-organized cargo space make this pack a top contender for riders who need a balance of cooling comfort, stability, and practical storage.
Camelbak Repack LR 4 Hydration Pack 50oz

The Repack LR 4 is designed for riders who want more than a bottle but less bulk than a full backpack. Its defining feature is the load-bearing hip belt with integrated cargo pockets, which shifts weight to your hips and keeps tools and snacks within easy reach. This design can improve balance and reduce shoulder fatigue.
With a 50-ounce reservoir, it’s perfect for medium-length rides. The integrated carry pockets are specifically designed to keep your repair kit and tools organized and accessible. This pack is an excellent solution for trail and enduro riders who prioritize tool access and a stable, hip-focused carry system.
CamelBak Hydrobak Bike Hydration Pack 50oz

The Hydrobak is the definition of minimalist hydration. This lightweight and compact pack is ideal for short rides, bike parks, or situations where you only need the essentials: water and maybe a phone and keys. It features a 50-ounce Crux reservoir that delivers efficient hydration without the weight of a larger pack.
Despite its small size, it doesn’t sacrifice comfort. The breathable air mesh back panel and mesh harness provide a cool, secure fit. If your rides are typically under a few hours and you prefer a barely-there feeling, the Hydrobak offers a simple and effective solution.
CamelBak Crux 3-Liter Water Reservoir

This is not a full pack, but the Crux 3-Liter Reservoir is the hydration core of many systems. It’s an excellent upgrade or replacement bladder for compatible CamelBak packs. Its ergonomic shape makes it easier to fill, carry, and insert into a backpack. The reservoir is designed to deliver 20% more water per sip compared to older models.
Convenience features include a leak-proof cap that’s easier to open and close, and a one-handed on/off lever on the bite valve to prevent leaks when not in use. If you already have a pack you like but want to improve its hydration performance, this reservoir is a smart upgrade.
CamelBak M.U.L.E. 12 Mountain Bike Hydration Backpack

The M.U.L.E. 12 represents the latest evolution of this iconic pack, with redesigned fit and functionality. It uses premium materials for long-lasting performance and offers an ergonomic design for a smoother ride. The updated Air Support back panel uses Body Mapping Technology to provide targeted ventilation exactly where you need it most.
It comes with a 100-ounce Crux reservoir featuring the Quicklink system for fast and easy disconnection during refills. This pack is for the rider who wants a modern, feature-rich version of the classic M.U.L.E., with improved cooling and user-friendly details for the best possible experience on long rides.
CamelBak Skyline LR 10 Hydration Pack
The CamelBak Skyline LR 10 is designed as a low-profile, race-ready hydration pack. It focuses on bringing essential hydration and storage in a form that stays close to the body to minimize bounce and maximize freedom of movement. Packs like this are often favored by cross-country and marathon racers.
While specific features for this model are not listed, packs in the Skyline series typically emphasize lightweight materials, strategic storage for nutrition and tools, and highly breathable harness systems. If your priority is a fast, efficient, and unobtrusive pack for competitive or high-intensity riding, the Skyline LR 10 is worth serious consideration.
Buying Guide: How to Choose the Best CamelBaks for Mountain Biking
Picking the right pack isn’t just about grabbing the first one you see. I’ve learned from years on the trail that the wrong choice can mean a sore back, not enough water, or gear bouncing around when you need to focus. The goal is to find a pack that feels like an extension of yourself, so you can forget it’s there and just ride. Here’s what I always consider when looking for the best CamelBaks for mountain biking.
First, think about capacity and storage. How much stuff do you really need? For a quick, hot lap, a minimalist 1.5 to 3-liter reservoir pack with a pocket for a phone and multi-tool is perfect. For all-day epics or bike park sessions, you’ll want 3 liters of water or more, plus space for layers, food, a first-aid kit, and maybe a spare tube and tools. Look for packs with dedicated, organized pockets—a fleece-lined goggle pocket is a game-changer, and external tool sleeves or helmet carry systems are incredibly handy.
Next is fit and stability. This is non-negotiable. A mountain biking pack needs to hug your torso without restricting movement. Look for adjustable, sculpted shoulder straps and a sternum strap that slides easily. A crucial feature is a waist belt. It doesn’t need to be a heavy load-bearing belt, but a light, elasticated one makes a huge difference in keeping the pack from shifting during aggressive maneuvers. Breathability is part of fit, too. Mesh back panels with air channels prevent that sweaty, soggy back feeling on long climbs.
Finally, consider the hydration system itself. The hose and bite valve should be easy to route and secure with magnetic or clip-on holders so they don’t swing into your face. A wide-mouth reservoir is far easier to fill, clean, and add ice cubes to. Some packs now offer quick-disconnect hoses for simple refills without removing the reservoir. Durability is key—the pack should be made of tough, abrasion-resistant material, especially on the back and bottom where it might scrape against rocks or your bike.
FAQ
How do I clean and maintain my CamelBak reservoir?
It’s super important to prevent mold and funky tastes. After every ride, empty it completely, rinse it with warm water, and hang the reservoir and hose open to dry completely. Every few weeks, do a deep clean with a soft bottle brush and a mix of mild soap or baking soda and water. CamelBak sells cleaning tablets that work great, too. Always store it in the freezer or completely dry to keep it fresh.
Can I use a regular hiking backpack for mountain biking?
You can, but I don’t recommend it. Hiking packs are often taller and can interfere with your helmet or shift your center of gravity. They usually lack the secure, bike-specific fit features like a stabilizing waist belt and compact storage for bike tools. A dedicated mountain biking pack is designed to stay put and carry your gear efficiently on the bike.
What’s the best way to prevent the water in my pack from getting warm?
Start with a full reservoir of cold water and add as much ice as you can fit. Some reservoirs have insulating sleeves you can buy separately. Pre-chilling the pack in the fridge before you head out helps. Also, try to keep the pack out of direct sun when you’re stopped. For really hot days, choosing one of the best CamelBaks for mountain biking that has good airflow between the pack and your back can also help a bit.
How much water should I carry on a ride?
This varies wildly with temperature, effort, and your personal needs. A good rule of thumb is to plan for about one liter per hour of riding in moderate conditions. In intense heat or for longer rides, you might need 1.5 liters or more per hour. It’s always better to have a little extra, so I usually size up my reservoir capacity for the longest rides I do.
Are there any specific features for carrying safety gear?
Yes, and this is a smart thing to look for. Many packs now include a dedicated, easy-to-access external pocket for a first-aid kit or survival blanket. Some also have loops or sleeves for a whistle or a light. When you’re scanning options, consider how quickly and easily you could get to that gear with one hand, potentially while under stress.