Fits bikes with a luggage carrier •Spring-loaded, you will hear a «click» when safely locked •To be mounted on the luggage carrier •The luggage carrier must be approved to carry 25-30 kg •Fits carriers from 120 – 180 mm •Carrier tube diameters should be between 10-20 mm •Suitable for e-bikesTwo versions available for Caress and Zenith/Zenith Relax respectively.