The cube ams 162 backpack has been engineered for cycling but also works great when you39re off the bike too this bag combines a dynamic appearance with an excellent compartment design the sturdy yet lightweight pack features a deuter airstripes back system for exceptional ventilation the back system delivers optimal airflow and breathability to keep your back cool and comfortable while you39re riding the ams can hold 16 litres but you can expand it an additional 2 litres if yo