The seat bag has my tools, the bag on the top front rack holds the battery and controller for my E-zee hub motor (front), the triangle bag in the frame holds the battery and controller for the Down Low Glow,the handlebar bag holds the bottle for the Air horn and assorted odds and ends, the bag on the top tube holds fruity oatey bars, the front panniers hold clothing for various weather conditions and the freeloaders generally are empty so I can carry home groceries ect.