TourGuide Handlebar Bag DX [TourGuide Handlebar Bag DX] Features/Specifications: Front Bag Detachment System "QuickClick" To attach, simply insert the bag-side attachment into the "Fixer 8" from above. To detach, simply press the orange button and lift the bag upwards. This easy and secure "QuickClick" attachment system is used on all Topeak front bags. Computer Mount Bar The Ø22.2mm mount bar, which can be used to attach a computer, light, phone pack, etc., can be removed with a single touch.