This RAM MOUNTback pad - RAM-202U-PAD1 - is supplied with a round base plate with C-ball (1.5 inch). With a corresponding tube holder, you can create a back support for motorbikes, quads or similar in no time at all.
Material: Powder-coated aluminium (base plate), plastic and foam (back pad)
Ball diameter: 3.81 cm (1.5 inch, C-ball)
Colour: black