Knobs for Ultimarc Ultrastik

This selection of knobs has been designed to be used with Ultimarc Ultrastik gaming controller.

Ultimarc Ultrastik not included.

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These range of knobs have been thoroughly tried and tested over many years. They have stainless steel shafts and are fixed in place with a grub screw and Allen key (supplied).

  • The Mushroom Knob is a round knob equivalent to the balls typically found on wheelchair controllers.  However it has an additional rib as a tactile direction indicator. Its diameter is 3.5 cm.
  • The Cow Horn Bar has “horns” at the ends to help stop hands slipping off in case the user is unable to grip securely. Its length is 9 cm (between horns).
  • The T-Bar is another familiar format but the MERU version has smooth, rounded contours and is particularly comfortable to grasp. Its length is 10 cm.


  • All knobs are 30 mm high (plus horns on the Cow Horn bar)
  • Ultimarc Ultrastik has M6 threaded shaft
  • A 2mm Allen key (supplied) is required to secure knobs.


Black, Blue

Knob Shape

Mushroom, Cow Horn, T-Bar

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