Formula Caliper Adapter


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sku: 21521

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Formula Caliper Adapter


Convert your existing IS mounts to enable the use of Post Mount Formula brakes with ease. The Formula IS Mount Adapters - 2012 are available in a wide selection of sizes to fit every rotor dimension.


  • Adaptor Only, Rotor not included
  • Adaptor mounting hardware included
  • Adapters are listed as Rotor Size / Caliper Fit / Bike Mount Fit / Fork or Frame Fit
  • Example:
  • F-180mm, R-160 / 74mm / 51mm / Fork/Frame IS
  • Rotor size = 180mm Front or 160mm Rear
  • Caliper Fit = 74mm PM
  • Bike Mount Fit = 51mm IS
  • IS = International Standard
  • PM= 74mm Post Mount