Need a bike rack for your cool bike the purist rack1 harmonizes perfectly with the minimalist design of modern urban bikes the super lightweight aluminum bike rack features three integrated attachment points on each side that allow you to directly attach a full range of ortlieb bags outfitted with the ql3 and ql31 system including the single bag office bag downtown vario city biker and commuter bag ideal for bicycles with a wheel size of 26 or 28