Excellent backpack Ergon BA3 PROTECT is an ideal companion for your bike rides. Part of the E Protect version is also a spine protector BP100. Involved, adjustable system of this backpack allows maximum adjustment to the size of the biker, whether he or she is tiny or quite robust. “Adaptive Carrier System” uses the load compression principle and the backpack wears comfortably thanks to the flexible aluminium profile that adjusts to the body anatomy. It is divided into four compartments inside and features a separate pocket for a water bottle. The front part of the backpack features small pockets for easier organisation. The inner part of the backpack hides the space for guards, helmet, and damp clothes.