This umbrella holder fits easily to the handle of the R Series Trolley. The umbrella holder can be unscrewed and slotted into the underside of the handle when trolley is not in use.
Additionally, this umbrella holder has an large internal diameter of 40mm. This means that it should accomodate almost any size of umbrella handle.
NOTE: This product is designed for the R Series Trolley only and will not fit on the X Series or F1 Lithium.