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Thread: DIsk Swap out

  1. #1
    Junior Member 29Ryder's Avatar
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    DIsk Swap out

    Ok so i have a 2010 specialized hardrock that i have been swappin out parts for the past two years and have been really happy with the bike in general. But i was wondering if i could switch to a hydraulic disk brake and disk? I have a friend that i selling me a set of Hayes for cheap and he said that i could use the 7'' disks if i wanted them. But thats where i was uncertain if i could use the larger disk on a stock setup. Is there anyway to make them fit or am i stuck using the smaller disk with the new hydraulics ?
    Ride it, Brake it, Fix it.

  2. #2
    Senior Member Dilberto's Avatar
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    There exists a great many adapters for using any size disk you wish. You can go as low as 140mm all the way to 208mm.
    2001 Cannondale Bad Boy Ultra - Shimano XTR/SRAM X0; Magura, Velocity Blunt SL
    2012 Trek Superfly 100 Pro - SRAM XX; Bontrager RXL; Easton Haven; Rock Shox Reba XX

  3. #3
    Holy crip he's a crapple
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    like said, you just need the right caliper adapters from hayes for your style of fork/mounting system.
    2012 Trek Madone 5.2 64cm - 1984 68cm KHS 9spd/sti swapped to DA 7700
    2013 Trek Rumblefish Elite 23" - 2004 Santa Cruz Bullitt 21.5"

  4. #4
    Senior Member
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    Some forks have a size limit.

  5. #5
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    Most forks are limited to 203mm (8"); can't figure out why, then, I could buy 9" disc brakes a couple years ago.

    Adapters are everywhere, and are worth the investment. In my experience, the 6" discs were only marginally better than V's; the 7" are sweet, but for me at least, 8" were overkill. One-finger braking put me on my face with 8". All of mine have been the mechanicals, never have run hydro. Showroom testing of hydro wasn't agreeable, felt "remote".

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