The new universal device/GPS holder can be fitted to any X Series F Series and Z Series model. Details: Fully adjustable for different devices via 4 rotating claws Adjustable for viewing angle Quick release mechanismFittingX Series: Fitted via a new adaptor that will fit to either side of the handle of your trolley. F Series: Fits to a new part that attaches to the underside of the F1 handle. R Series Push: Fits to any of the accessory points on the R Series handle.Z3 Push: Fits to any of the accessory points on the Z3 handle.Z1 Push: Fits to the centre of the handle using the universal mounting.