BV Bike Pannier Set with Removable Computer Bag This versatile pannier set allows the cyclist to carry a rather large amount of cargo along with their computer! Attachable computer bag comes with a shoulder strap The computer bag can be taken off the pannier set by simply unzipping the bottom Attach to bike rack by the four straps and two adjustable bungee hooks 3M Scotchlite reflective trim and strips for nighttime safety