The Pet Carrier Bike Connection makes it possible to travel with your pet on your bike. It acts as an adaptor that allows you to securely clip your USB to a fixed bike lever. Features: -Bike Connection acts as an adaptor, connecting the Universal Sport Bag to a fixed bike lever. -Compatible with the Universal Sport Bag and Jet Set Pet Carrier. -Must include optional Bike Lever accessory if bike does not have a bike rack. Optional Pet Carrier Bike Lever: -Used in conjunction with Bike Connection to secure pet carrier to bicycles with no rack.