DescriptionCompact and dynamic in design, the Topeak RX Trunk Bag EX II is the perfect size and shape for avid cyclists. This trunk bag is constructed from 600D polyester and features 3M reflective strip and 2 side accessory pockets along with the main compartment.FeaturesIncludes carry handle and removable shoulder strapRX QuickTrack rear rack compatibleMount: Quick ReleaseSpecsVolume: 170 c.i.Size: 12.2" x 7.5" x 5.9"***ONLY compatible with the Topeak RX Rear Rack