Designed for folks on-the-go, the Aventon Quick Accessory Adapter is the solution for quick and easy luggage management. Designed with ease in mind, the Quick Release Accessory Adapter attaches easily to compatible Aventon accessories. Press and click it into your compatible bike&';s rear rack or front Pizza Rack and you&';re ready to go in seconds! Compatibility Compatible with Abound LR, Aventure 3, Aventure M, Level 3, Pace 4 Rear Rack, Pace 5 REC Rear Rack, Ramblas Rear Rack, Level 4 ADV, Level REC, and Aventon Pizza Rack Compatible Accessories: Aventon Top Rack Bag (Quick Release Compatible Version Only)(With Mounting Holes) (sold separately)