Solid aluminum dropper post mount to attach rear bikepacking bag, larger saddle bag, bottle cage, tail light, and more.

Make quick work of any bottle-cap-removal operation with Park's BO-2 Bottle Opener. This ergonomic tool is made of stainless steel with a comfy vinyl coating.

Osprey's Hydraulics LT 1.5L Lumbar Reservoir by Hydrapak is made for those who prefer an off-the-shoulder hydration solution. Designed to fit in most lumbar packs, but perfectly pairs as an extra or replacement reservoir for Osprey's Seral lumbar mountain biking pack. Twin-welded chevron baffles stabilize the water and maintain 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. - Twin-welded chevron baffles stabilize the water and maintain a flat profile - Easy Slide-Seal top opening, seals watertight and provides wide access for easy filling and cleaning - Magnet clip attaches to the reservoir hose and pairs with the included sternum strap magnet for easy water access and hose management - Hydrapak Blaster bite valve offers fast, smooth water flow with a 1/4 twist on/off switch

Make any pack Hydraform Reservoir-compatible with Osprey's Hydraform Magnet Kit. This handy kit includes three detachable sternum-strap magnets.

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 Bite Valve provides a high-quality replacement for your old, neglected and beat up bite valve. The bombproof ¼ twist shut-off design guarantees you won’t experience any unpleasant leaks.

• Installs on any 1/4-inch (.635cm) hose for easy disconnect/connect. • Bonus extra male piece and hose to connect to water filters.

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.

Hoses need to be wrangled, lest they become too uppity. Osprey's Hydraulics Three-Magnet Kit will hold things together. This pack comes with 3 detachable sternum strap magnets, and it'll make any pack Hydraulics Reservoir compatible!

- Individually packaged - Enables mounting of a bottle cage in a variety of positions - Fits 22.2-26.0mm handlebars

Bottle cage support for fitting on frames that don’t have specific fixing holes, or to increase the standard number of bottle cages. Compatible with tubes having diameter from 25 mm to 70 mm (from 1 to 2.8 inch)

Park Tool's Mini Bottle Opener is made of durable, rustproof stainless steel and has Park's great-to-grip and attractive blue vinyl-coated handle. This handy tool fits on a keychain and has a bottle opener and 10mm open-end wrench built in.