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Discaciatti 19x19 Billet Radial Brake Master Cylinder (CNC Worked) w/ Folding Lever

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Discaciatti 19x19 Billet Radial Brake Master Cylinder (CNC Worked) w/ Folding Lever


Item Details

The Discacciati 19x19 billet radial brake master cylinder is designed to meet the exact tolerances for extraordinary braking performance and feel required during competition. Designed with a 19mm diameter piston for motorcycles with a double disc brake rotor setup. Discacciati has been producing Italian brake componts since the 1980's.


This brake master includes a folding, standard length RST lever with anti-drag inlet hole machined into the lever end for the passage of air at high speed. This is a popular choice for track and race riders.


The feeling with the lever is immediate and braking is powerful, decisive and without compromise: this result was possible thanks to a reduction in the tolerances of the mechanical workings and the couplings of the different parts of the pump.




  • Folding Lever: 19mm x 19mm
  • Material: Billet Aluminum
  • Piston: 19mm
  • Brake Switch Included
  • Disc Application: Double
  • Surface Protection: Anodized
  • Standard Folding Lever w/ RST Part#:
  • Short Folding Lever Part#: 
  • Three (3) Year Limited USA Warranty 



  • We suggest using the Discacciati 30ml Brake Reservoir Mounting Kit (Part# DS-FDR0072N) as it includes a reservoir, bracket, hardware and tubing.
  • The 19x19 brake master cylinder includes a double hole banjo bolt with 3 copper washers. This will work if you have 2 brake lines coming off the master cylinder. If you only have 1 line off the master you will need a M10x1.0 Single Hole Banjo Bolt Part#: ACC-MS2365.
  • If you intend to use your stock reservoir you will require a length of 6mm Tygon 2375 Tubing and 2 3/8" Spring Clamps.
  • Dot 4 Brake fluid will be needed. We suggest replacing all of the fluid in the system when you install the master. Do NOT use Dot 5.1

 Discacciati Brake Master Cylinders. For more info visit

Discacciati Brake Systems are known worldwide for their leading design and strict adherence to the highest quality standards. Discacciati products are the result of their in-house design and production process that draws from its experience building racing motorcycles since 1969. Headquartered in Turin, Italy, Discacciati produces world class motorcycle brake components which include brake master cylinders, cnc machined calipers, rotors, brake lines, and pads. Technical support is provided by the Discacciati North American Distributor which can solve any problems with care.

 Discaciatti Brake Master Cylinders. For more info visit

MOTO-D is the exclusive North American Distributor for Discacciati Brake Systems. For more info visit

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