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headset replacement

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  • August 3, 2017 at 8:13 pm #27445
    trohos

    Hello.

    It’s time to replace the headset in my bike but i have a query. I should replace the crown race in the fork or can avoid this job? The headset that the bike has already is a noname the new headset is FSA.

    Thank you in advance.

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  • August 5, 2017 at 7:31 am #898931
    0
    trohos

     i visited two LBS yesterday

     i visited two LBS yesterday and they told my they can’t move the crown race because applies full to the fork and doesn’t have any groove, is like this in this video

    https://www.youtube.com/watch?v=LnBC5CEdgi8. My new  headset is this http://www.chainreactioncycles.com/gr/en/fsa-orbit-ce-headset-no-8b-/rp-prod9069.

     

     

    August 4, 2017 at 11:26 pm #898929
    0
    ktache

    As previous poster has

    As previous poster has suggested, get the LBS to change it, all the parts will be made to fit together, for a start the sealing will work better.

    August 4, 2017 at 9:28 pm #898927
    0
    Jack Osbourne snr

    CXR94Di2 wrote:

    CXR94Di2 wrote:
    Sealed bearing, just replace, with a smear of grease on the mating surfaces.

     

    Exactly this. No real need to replace crown race unless the bearings are wildly different, which is possible rather than probable.

    Read bearing number or dimension data printed on current bearings, compare with new. Next time they die,Google said data, buy required bearings and…

    Drop new bearings in with some grease as described, reasemble and adjust. Done.

    August 4, 2017 at 3:42 pm #898925
    0
    CXR94Di2

    Sealed bearing, just replace,
    Sealed bearing, just replace, with a smear of grease on the mating surfaces.

    August 4, 2017 at 10:13 am #898923
    0
    trohos

    Thanks for response.

    Thanks for response.

    August 4, 2017 at 10:12 am #898921
    0
    trohos
    CXR94Di2 wrote:
    Sealed or open bearings carriers?  Unless badly corroded, dont bother, clean and slap loads of thick grease on re-assembly.  It will last years, there is very little rotation movement to worry about, just the right amount of preload to ensure no free play.

    Sealed.

    August 4, 2017 at 7:34 am #898919
    0
    CXR94Di2

    Sealed or open bearings

    Sealed or open bearings carriers?  Unless badly corroded, dont bother, clean and slap loads of thick grease on re-assembly.  It will last years, there is very little rotation movement to worry about, just the right amount of preload to ensure no free play.

    August 4, 2017 at 7:27 am #898917
    0
    Anonymous

    You should replace the crown

    You should replace the crown race as it may not be the same profile as the one with the new headset. If your new crown race has a split in it then it is a really simple job to install, if not, then a quick trip to the LBS will get it done (30 second job). Removing the old one is simple too. Lots of vids on the ‘net (recommend Park Tools stuff).

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