The brompton mini o bag is a small and compact bag that is designed to carry all the essentials that you will need on the ride in its 7 litre capacity the bag has also been given a more streamine shape and is ideal for the riders that don39t like a lot of bulk when they are riding the handlebar bag is made with a welded construction that makes it tough and durable for outside weather conditions and ensures the safety of the contents of the bag whatever it may be the mini o bag is suitable