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ISR CNC Billet Aluminum Front Master Cylinder Brake or Clutch Integrated Reservoir Style 21-011

$369.95 $299.95
(You save $70.00)

ISR CNC Billet Aluminum Front Master Cylinder Brake or Clutch Integrated Reservoir Style 21-011

$369.95 $299.95
(You save $70.00)
SKU:
PB-21011XX
Weight:
2.00 LBS
Shipping:
Calculated at checkout
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Product Description

ISR Brakes from Sweden are very high quality and rugged systems designed for top racers who demand the best performance and durability from their brake systems.  Race proven, ISR brakes are modular designed to promote easy replacement of individual parts at the racetrack.  This not only saves time but saves you money.  All ISR brake systems are CNC machined from aerospace quality billet aluminum and then finished with a clear coating.  ISR brake systems are a great choice for racing, street, or that custom project.  Available in brake (RH) or clutch (LH) master cylinders and 17.5mm or 14mm bores.


The 21-011 integrated reservoir style front master cylinder is specifically designed for street replacement or custom applications.  The styling is a cross between rounded and straight edged.  An oval reservoir integrated into the body keeps a classic look.  This particular master cylinder has a leverage adjustment, the nut on the front of the lever adjusts the angle of the piston pivot.  This helps to dial in a particular feel and leverage ratio. 
Also available is the adjustable lever which allows adjust of the lever in relation to the handlebars.  Please Note: The 21-011 family of front master cylinders come standard with a non-adjustable reach lever.  The adjustable reach lever shown in the product photos is optional and must be added. 


Two bore sizes are available, 17.5mm for dual rotor systems or 14mm for single rotor setups on brake systems.  Most clutch systems will utilize the smaller bore size.  The 21-011 family of ISR front brake master cylinders have the following specifications:
  • 17.5mm bore or 14mm bore available
  • Clutch or Brake masters available
  • 11cc reservoir capacity
  • M10 x 1.25mm banjo threads
  • 0.39kg (.85lbs) weight
  • 5.1:1 - 3.8:1 leverage ratio adjustment range
  • 22mm (7/8") or 25mm (1") handlebar size












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