Once installed, allows the installation and removal of Tubus and Racktime racks in mere secondsIdeal for those that use a rack from time to time, but don`t want to fuss with frequently mounting and dismounting the rackCompatible with Tubus` thru axle adapterQuick Release AdapterQuick ReleaseBlackTubus / RacktimeUPC/EAN/GTIN: 4036823000510