The Cube RFR Clip Bell offers you a compact, sleek, and lightweight safety bell option that is easy to fit and remove. Ideal for those who want to swap a bicycle bell between bikes or remove it for those non-cycle path rides, this bicycle bell can be operated by either hand and no tools are required for fitting. Cube RFR Clip Bell Features Made from Aluminium/Plastic Quick release fastening Tool-less fitting Left or right-hand use Clamp Diameter 19-25.4mm Weight 17g