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Joker Machine JX Round Front Brake Master Cylinder For Harley
  • Black
  • Black
  • Black
  • Chrome
  • Chrome
  • Chrome

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Joker Machine JX Round Master Cylinder Brake Hand Control For Harley

Unique master cylinder reservoir cap screws on to provide instant access to brake fluid without having to use a wrench. Designed with a special bushing that doubles as a mirror shaft mount for an extra clean look, also eliminating an un-used mirror hole. Also provided with a stylish solid stainless steel pivot pin for non-mirror applications. Feature exclusive self- lubricating polymer piston and seal kits. Designed to fit 1" diameter handlebar applications and the master cylinder body is relieved to accept up to 1 1/2" diameter handlebars right up to the clamp face. Installs on handlebar with integrated pinch clamp system that is ultra-compact without an extra clamp piece to bolt in place to provide a trim and clean look. These units are completely manufactured in the United States at Joker's Southern California facility. The matching Round Brake Switch and the Hydraulic Clutch Hand Control is also available and sold separately.


  • Overall length: 9.5
  • Master cylinder length: 3"
  • Master cylinder height: 2.5"
  • Lever length: 5.75"
  • Clamp width: 1.25"
View Fitment Notes & Exceptions

Fitment Notes & Exceptions

This is a universal fit part; it may or may not fit without modification.

  • 9/16" bore is for most stock single front brake models and 11/16" bore is for most stock dual front brake models
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Joker Machine JX Round Front Brake Master Cylinder For Harley
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Product Style RevZilla Item # Manufacturer Product # Availability
9/16" Bore / Chrome 941311 03111 Out of Stock
9/16" Bore / Black 941312 03111BLK Out of Stock
11/16" Bore / Chrome 941314 03113 Out of Stock
11/16" Bore / Black 941315 03113BLK Out of Stock