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Accossato Thumb Brake Master Cylinder w/ Mount Bracket (Standard Lever)

  • Accossato Thumb Brake Master Cylinder w/ Mount Bracket (Standard Lever)
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MSRP: $599.99
$549.99 (You save $50.00)

Accossato Thumb Brake Master Cylinder w/ Mount Bracket (Standard Lever)


Item Details

Loved by racers worldwide, the Accossato Thumb Brake rear master cylinder features a standard length lever design. Includes mounting bracket to bar. Accossato has been producing Italian made sportbike components for original and aftermarket use since 1969.


This thumb brake master cylinder replaces the rear brake master cylinder by relocating the pump onto the clip-on underneath the clutch lever. This is popular for serious racetrack riders who want more feel and control over the rear brake. *Use of the Accossato Thumb Brake will not work in conjunction with your traditional oem rear brake master.


Accossato produces race quality master cylinders and braking components using a 100% quality-control process mandating all core components to be inspected under a microscope before assembly, pressure calibrated, and vacuum tested upon final assembly.



  • Short Lever
  • Material: CNC-Worked Aluminum
  • Piston: 10.5mm
  • Installation Bracket Included
  • Disc Application: Double
  • Surface Protection: Anodized
  • Exclusive Three (3) Year Limited USA Warranty



  • 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 Brake Fluid. 

 Accossato Brake Master Cylinders. For more info visit

Accossato Racing products are known worldwide for their leading design and strict adherence to the highest quality standards. Accossato 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, Accossato 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 Accossato North American Distributor which can solve any problems with care.

 Accossato Brake Master Cylinders. For more info visit

MOTO-D is the exclusive North American Distributor for Accossato Racing Italy. For more info visit

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