Our support wheels are operated using a pendulum with rotary knob. This knob is also available as a separate part. The knob you need is dependent on the brand (Simol, Winterhoff, KNOTT) and type of support wheel.
Button jockey wheel KNOTT
name button jockey wheel for KNOTT
Button jockey wheel
879.000.000.881 8717219406777On sale. Limited stock!
name button jockey wheel