The ortlieb urban commuter bag is a great idea if you are commuting and you need versatile bags that can adapt to any given circumstance you come across the modern looking aspect to the bag makes it suitable to use as an office bag and coming in two sizes you are able to pick the size that suits you the new ql21 mounting system provides a great position which gives clearance when you are pedalling and also a super firm hold on to your pannier the handle of the bag links in really well with t