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Ergon
BX4 Hydration Backpack - 1647cu in

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There are hundreds of hydration packs on the market — all shapes, sizes, configurations. Yet, each of these bags is basically a small backpack that has been fitted with a bladder. While they function to hydrate you, they are often uncomfortable as the straps bind and twist and weight of the pack shifts when you ride. Using Ergon's Adaptive Carrier System, the BX4 is stabilized against your lower back as you ride. Unlike traditional backpack straps which adjust for length but leave the load hanging from your shoulders, the Adaptive Carrier System creates a cradle between the straps that essentially holds the weight of the pack from below. Think of it as a sling or hammock. In this manner, the pack's weight is held against the small of your back minimizing shifting and movement as you move around on the saddle. It also means that there is less stress placed on your shoulder joints. The pack features 4 positions that adjust for height. In addition to the comfortable shoulder straps, the waistband is not just one narrow piece of webbing. It's a wide, slightly padded strap that is easily adjustable with one hand.


The BX is designed to carry all of your riding gear whether you are riding an Enduro race, 12-hour race, or just cruising the trails on a long weekend. It features 1647cu in of capacity with an extra 183 cu in of expansion, vertical compartments for body protection, wet-clothing, and even a helmet. Compression straps hold everything tight to the pack to minimize shifting. The inside is divided into four compartments and a separate pocket for a bladder. The front section and hip strap have small pockets to keep tools, tubes, and a pump organized and readily accessible. Additionally, a loop on the shoulder straps allows a Topeak iPhone drybag to be fitted.


The Ergon BX4 Hydration Pack is available in Small (body height up to 5'9") and Large (body height over 5'9") and in the color Black.


Material
nylon, polyester
Volume
1647, [with expansion zipper] 1830
Reservoir Volume
3 L
Locking Bite Valve
no
Waist-Belt
yes
Compression
yes, side straps
Pockets
4 internal, bladder compartment, waistband storage, front
Recommended Use
mountain biking
Manufacturer Warranty
1 year

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