Need more carrying capacity for running errands? Then check out Topeak&';s Rear Basket. It easily attaches to a Topeak QuickTrack rear rack (sold separately) and holds groceries, work clothes and anything else you need to transport. And, its handle makes it extremely portable. Compatible with Topeak MTX QuickTrack racks (sold separately) Capacity: 1430 cubic inches Dimensions: 15.9 x 13.2 x 9.5 inches Max load: 16.5 pounds