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  1. #1
    rebmem rbtm
    Reputation: juancho142's Avatar
    Join Date
    Feb 2010

    HELP! Disc brake adapter R180 to F203?

    I'm swapping from a 180/160 to a 203/180 combo. Both front and rear mounts are IS. Since the rear IS adapters now are 180/160, will it apply to rear IS mount 180mm rotors? I've seen 203F/180R adapters in Ebay but does it apply to 180R Shimano adapters?

  2. #2
    rebmem rbtm
    Reputation: juancho142's Avatar
    Join Date
    Feb 2010
    No one?

  3. #3
    mtbr member
    Join Date
    Jun 2011
    Sounds like you need a pair if IS adapters to the proper PM (post mount ) for your rotors. Very simple, just select and buy. Jenson has great info about it Bike Brake Adapters

  4. #4
    Sir Shreds-A-Lot
    Reputation: trekninja's Avatar
    Join Date
    Oct 2007
    ive ordered them off ebay, just search disc brake adapter or is mount

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