This updated version of the popular Ergon backpack is now even more user-friendly. It was specially developed for Enduro and All-Mountain use. With the completely reworked 4-step adjustable carrying system, the backpack can easily be adjusted to fit different body sizes. Thanks to the "Adaptive Carrier System" load compression principle and the flexible aluminium profile, this backpack can be adapted even more accurately to the rider's anatomy. The hip strap can also be shortened as needed. The bag features a main compartment with 4 inner pockets, a separate bladder compartment, a front pocket with a small compartment for tools and pumps, and a waist bag. The BA3 backpack also has an additional back compartment that provides space for a back protector and a bladder. Even when carrying a battery in the BA3 E version, there is still enough room in the protector compartment to accommodate the back protector and the bladder.