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Road bike: Change FSA Gossamer Chainset to Shimano 105

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  • 20-10-2015 2:29pm
    #1
    BeUseful
    Registered Users Posts: 3 ✭


    Hi All,

    My FSA Gossamer Cyclocross Double 46-36 chainset broke down last week. I'm planning changing it into Shimano 105. I'm not sure about few things and hopefully you can help me:

    1. Do I need to get different bottom braket or Shimano 105 chainset will be compatible with the current one?

    2. Can I get different setup chainset i.e.50/34?

    3. I'm not sure if I should do it myself as I like getting my hands on... or should I bring it to bike repair shop? Maybe there is someone out there who would be willing to change it? Obviously we talking $$$. PM about that if you interested. I'm based in Dublin 15.

    Thanks a lot guys!!!
    Tagged:


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    #2
    Pablo Rubio
    Registered Users Posts: 365 ✭✭Pablo Rubio


    You will probably need something like this.


    http://www.wiggle.com/fsa-bb30-conversion-kit/

    Thinking of doing the same thing with my focus mares


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    #3
    smacl
    Moderators, Society & Culture Moderators Posts: 15,729 Mod ✭✭✭✭smacl


    BeUseful wrote: »
    I'm not sure if I should do it myself as I like getting my hands on... or should I bring it to bike repair shop?

    I swapped out an ISIS splined threaded FSA BB last year and it was a bit of a nightmare tbh. Vice grips, a hammer, and brother in-law all came into play and it was a bit touch and go. If you got someone else to do it for not too much money, you may just save yourself a load of pain.


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    #4
    nilhg
    Registered Users Posts: 5,128 ✭✭✭nilhg


    If the OPs BB is still serviceable than these should do the trick with very little hassle.

    http://www.wiggle.co.uk/wheels-manufacturing-bb30-to-24mm-crank-spindle-shims/

    I'm using a similar setup (FSA though) that came with my Felt, no much problems as yet and the Wheels Manufacturing versions get better reviews.


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    #5
    RunDMC
    Registered Users Posts: 336 ✭✭RunDMC


    Check out the Praxis Works version. It looks like a better solution than the simple collars.

    https://www.praxiscycles.com/product/shimano-conversion-bb/

    RunDMC


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    #6
    blueballfc
    Registered Users Posts: 118 ✭✭blueballfc


    +1 Wheels Manufacturing


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    #7
    clog
    Registered Users Posts: 1,100 ✭✭✭clog


    What bottom bracket standard is the frame?. FSA gossamer can be either megaexo or bb30.

    If its threaded/pressfit you just need to get the corresponding shimano BB, they are not that expensive, if it is a bb30 then you can use one of the adapters already suggested or fit a sleeve so a threaded bb can be used.


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