RACKTIME REAR RACTOP BOXIT LARGE BLACK (L)Boxit is a combination of a large transport basket with a form fitted freight container lockable inside both components can also be used individually Within seconds Boxit converts your sport bicycle into a cargo bike with a maximum capacity of 23 kg 50 lbs Comes with the premounted heavy duty version of the Snapit adapter Available in two sizes *Not compatible with the narrow base of Racktime Light models or the Secureit locking system Note: Boxit