Adapter which allows an extra bike to be added to the Thule EuroClassic G6 or G5 bike carriersIncreases the rack's capacity from 2 to 3 or from 3 to 4 bikesWheel attachments with strapsFrame holder arm for additional bike and brackets for securing the frameDouble spring-loaded plastic gripping jaws with rubber protection for the bikesAcuTight Torque knobs click when optimum tension is reached, protecting lightweight cycles from excessive clamping forceTUV / EURO-BE approved together with the Thule EuroClassic G6 and G5Lockable frame holderAll Thule products come with a 5 year warranty