Parts & Accessories

Osprey’s Hydraulics 2L Reservoir by Hydrapak is ideal for large-volume packs and long-duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics 3L Reservoir by Hydrapak is ideal for large-volume packs and long-duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics LT 1.5L Reservoir by Hydrapak is made for light and fast activities where weight and balance are critical. Twin-welded chevron baffles stabilize the water and maintain a flat profile. The streamlined design allows for easy loading into internal hydration sleeves. Thoughtful design makes filling, cleaning, and most importantly, staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics LT 2.5L Reservoir by Hydrapak is made for light and fast activities where weight and balance are critical. Twin-welded chevron baffles stabilize the water and maintain a flat profile. The streamlined design allows for easy loading into internal hydration sleeves. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

The taste of water from a funky reservoir is high on the list of experiences that one should combat at all costs. This cleaning kit comes complete with a reservoir cleaning brush, delivery system brush, and a drying rack to help ward off uninvited microbial visitors looking to take up residence in your reservoir.

Ideal for fast rides that require only the water on your back, the Katari 1.5 lets you carry the bare minimum. The high-quality, low-profile design features an included 1.5-liter reservoir that slides into its own exterior pocket with a bite valve that attaches magnetically to a sternum strap. A well-ventilated mesh harness offers exceptional airflow and rolled, soft-edge shoulders provide contoured comfort and stability. In the event you find yourself outside when the sun goes down, a loop for your rear tail light lets you be seen. Made with mountain bikers in mind, but practical for any activity where hydration is a must. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 1.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included)

Want to hit the trail for a quick ride that calls for water and just a few minimal pieces of gear? The low-profile Katari 7 is your go-to pack. A light and airy mesh harness with rolled soft edges provide contouring comfort around your shoulders for excellent fit, while a removable webbing hipbelt enhances stability. An included 2.5-liter reservoir slips into an external hydration sleeve with a magnetic bite valve attaching to the sternum strap. A vertical front zip pocket is just roomy enough to carry the essentials, like a spare tube and tools or a rain jacket. Store food and other small items you want to access quickly in stretch-mesh side pockets. Functional and versatile, no one is stopping you from using this pack for activities in the off season. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included) - Dual-stretch-mesh side pockets - Front panel vertical zip compartment with tool organization

Sometimes the water on your back is the only thing you need, especially when you're planning on riding a fast and familiar route. The Kitsuma 1.5 is the ideal pack for women who want just that. Designed with the mountain biking minimalist in mind (but suitable for many activities), an included 1.5-liter reservoir in its own dedicated sleeve keeps you hydrated on the trail. Unassuming shoulder straps with rolled edges provide a comfortably soft and stable women's-specific fit. Lightweight mesh-covered foam delivers admirable airflow, while permitting maximum body movement. A loop for your tail light at the bottom of the pack keeps you visible to others when the light begins to fade. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Women's-specific fit and sizing - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 1.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included)

When you don't need to carry much except water and a few essentials, the women's-specific Kitsuma 7 is an ideal hydration-carrying solution for bike rides and beyond. A vertical-zip front compartment is big enough for a spare tube, multi-tool, and light windbreaker. Behind it, a separate external sleeve stores an included 2.5-liter reservoir with a magnetic sternum-strap attachment for the bite valve. An AirScape backpanel features outstanding ventilation via airmesh-covered foam and a center air channel. A super-light and airy harness with rolled, soft edges make for a pack so stable and comfortable you'll barely notice it. Side mesh pockets store things you'll want to access easily, like food or arm warmers. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Women's-specific fit and sizing - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included) - Dual-stretch-mesh side pockets - Front panel vertical zip compartment with tool organization

Let's face it, not every ride happens the way we want it to. Your bike can break, the weather can change, and the trail may not be as well-marked as you'd like it to be. The Raptor 10 is specifically designed with these challenges in mind. A premium pack that carries it all without weighing you down, the Raptor features winged shoulder straps that contour to the shape you're in when you reach for your handlebars—delivering superior stability even when the trail turns super techy. AirScape suspension evenly distributes your load while permitting dynamic range of motion, and a mesh-covered foam backpanel leaves you well ventilated. An included 2.5-liter reservoir slides into its own dedicated compartment for fill-up simplicity, and another devoted space at the base of the pack houses a Tool Roll for your mini-pump, tire lever, hex keys, and more. TOOL ROLL - Never dig for your tools again. The dedicated lower compartment holds a removable pouch to organize your tools so you can get back to what matters—the ride. RESERVOIR INCLUDED - Osprey Hydraulics LT 2.5L reservoir keeps you hydrated all day long and stores in a dedicated hydration compartment with direct-zip access and sternum strap magnetic bite valve. LIDLOCK - Attach your helmet securely to the outside of your pack without wasting the space inside. Perfect for wrapping up a long ride at your local brewery. RIDE STABILITY - Our new "winged" harness wraps the upper shoulders for added stability and keeps the pack comfortably close to your body. FEATURES - Countouring AirScape backpanel and bike-specific shape harness - Included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Hydration sleeve with direct-zip access and hose path for easy loading - Lightweight sternum strap magnet for easy access to water - Scratch-free, heat-embossed zippered slash pocket - Stretch mesh zippered hipbelt pockets - LidLock bike helmet attachment - Stretch mesh front pocket for quickly stashing extra gear - Blinker light attachment and reflective patch for safety - Removable roll-up tool pouch keeps tools handy and organized - Bike tool organization in main compartment AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Mesh-covered, extra deep ridged foam allows maximum ventilation while keeping the load close to the body BIOSTRETCH HARNESS - Osprey engineered bike-specific harness with winged shoulder strap shape contours the shoulder providing superior comfort and stability - Soft breathable spacermesh contact surfaces and die-cut foam ventilation HIPBELT - Airmesh wrap hipbelt with zippered pockets provide stability and breathability

Made to haul all the gear you need—but flexible enough to slim down for shorter rides—the Raptor 14 is our premium pack for mountain bikers who demand top quality from their gear. Don't like how hydration packs feel over gnarly terrain? Neither did we. So we designed shoulder straps in the shape of wings that curve the same way you do when you're in riding position. An AirScape suspension and backpanel provide a close-to-body carrying experience and elevate comfort and stability to unprecedented levels, while still allowing for dynamic body movement. An included 2.5-liter reservoir with direct-zip hose access ensures straightforward loading, while a tool roll organizes the ingredients to get you moving again should you have any trailside troubles. Standard helmets attach with our LidLock system and side compression straps will fit your full face helmet. TOOL ROLL - Never dig for your tools again. The dedicated lower compartment holds a removable pouch to organize your tools so you can get back to what matters—the ride. RESERVOIR INCLUDED - Osprey Hydraulics LT 2.5L reservoir keeps you hydrated all day long and stores in a dedicated hydration compartment with direct-zip access and sternum strap magnetic bite valve. LIDLOCK - Attach your helmet securely to the outside of your pack without wasting the space inside. Perfect for wrapping up a long ride at your local brewery. RIDE STABILITY - Our new "winged" harness wraps the upper shoulders for added stability and keeps the pack comfortably close to your body. FEATURES - Countouring AirScape backpanel and bike-specific shape harness - Included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Hydration sleeve with direct-zip access and hose path for easy loading - Lightweight sternum strap magnet for easy access to water - Scratch-free, heat-embossed zippered slash pocket - Stretch mesh zippered hipbelt pockets - LidLock bike helmet attachment - Stretch mesh front pocket for quickly stashing extra gear - Blinker light attachment and reflective patch for safety - Removable roll-up tool pouch keeps tools handy and organized - Bike tool organization in main compartment - Front panel zippered stash pocket - Side compression straps double as a full face helmet carry AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Mesh-covered, extra deep ridged foam allows maximum ventilation while keeping the load close to the body BIOSTRETCH HARNESS - Osprey engineered bike-specific harness with winged shoulder strap shape contours the shoulder providing superior comfort and stability - Soft breathable spacermesh contact surfaces and die-cut foam ventilation HIPBELT - Airmesh wrap hipbelt with zippered pockets provide stability and breathability"

The Bite Valve Cover keeps your reservoir bite valve free from dirt and dust on the trail.

When it’s time to replace the hose on your existing hydration system, Osprey’s Hydraulics Reservoir Hose is the answer. Made of high-quality quarter inch tubing for dependable performance and featuring a high flow rate, it will bring new life to your hydration system. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Replacing old bite valve sheaths helps maintain a sanitary hydration system. Osprey’s Bite Valve Sheaths provide a soft surface for your chompers to sink into when you’re hydrating on the fly. Also perfect for those who can’t help but chew through the bite valve like their old #2 pencils in high school.