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Shimano Disc Brake Caliper Mount Adapter - Front / Rear - Post / IS

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In Stock in our warehouse ready to ship
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Shimano Disc Brake Caliper Mount Adapter - Front / Rear - Post / IS Interchangeable, precision engineered disc calliper mount adapter. Range of sizes and mounting options to suit most brake setups Disc Size: 160, 180, 203mm Front or Rear Post or IS mount Select correct mount for your setup above


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  • Hi there, im converting my lefty gravel bike from Ultegra to grx. The front caliper is IS 51mm to 70mm not 74mm? The grx caliper measures 70 centre to centre. Is there an adaptor?

    It sounds like you have a flat mount style caliper or frame mount, there is probably an adapter available to convery but not something we have.

  • Hi I have a fox 36 fork that has an existing 203 mount and I have 203 rotors, looking to upgrade to 220 what mount will I need? Thanks

    It should be the bottom option in our options list the 203mm fork to 220mm rotor.

  • I have a nukeproof scout 29” with 180mm rear disk and my-501 Shimano brake and i need a adapter to fit and I’m not sure

    I quess that frame is setup to take a 160mm rotor wihtout a mount. The 180mm post front mount should be fine to run on the rear to space the brake calliper for the 180mm rotor.

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  • In stock - Ready to despatch - In stock in our warehouse ready to ship out normally the same working day when ordered before 3pm
  • In stock - 2 - 3 day despatch - In stock in our suppliers warehouse. Once we receive your order we will order from our supplier and ship out to you as soon as the item arrives in our warehouse.

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