Requires a Bike Mount to attach to your handlebars. Designed for your big adventures that require more tech & gear storage. The Big Handlebar Bag is 6L. Add up to five pieces of your preferred technology, lighting, navigation, bells, or content capture devices --it's your call. Plus, check out the new Insert Series of products to further customize your storage. Each Bag comes with one Bar Fly Adaptor but can accept up to three. This part adapts the bolt pattern of our Lid to the bolt pattern found on Garmin, Wahoo, or Quad Lock Integrated Tech Mounts & Route Werks Action Mount accessories. -Requires a Bike Mount to attach to your handlebars -Includes one Bar Fly Adapter -Bar Fly Adaptor adapts the bolt pattern of Route Werks Lid to the bolt pattern found on Garmin, Wahoo, or Quad Lock -Integrated Tech Mounts and Route Werks Action Mount accessories