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road bike advice

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  • 19-08-2011 5:08pm
    #1
    mick201
    Closed Accounts Posts: 16 ✭


    im looking to upgrade a giant scr3 , it has the sora sti shifters with the thumb button , i want to upgrade to 105 or ultegra shifters , is this possible or have i to get the full groupset , any info welcome . cheers:)
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    #2
    07Lapierre
    Registered Users Posts: 8,245 ✭✭✭07Lapierre


    mick201 wrote: »
    im looking to upgrade a giant scr3 , it has the sora sti shifters with the thumb button , i want to upgrade to 105 or ultegra shifters , is this possible or have i to get the full groupset , any info welcome . cheers:)

    Sora..thats 9 speed right? U need these You'll also need new Brake/Gear cables and Handlebar tape.


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    #3
    mick201
    Closed Accounts Posts: 16 ✭mick201


    its 8 speed , 24 altogether


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    #4
    Hungrycol
    Registered Users Posts: 2,246 ✭✭✭Hungrycol


    How many miles on the bike? You may need a new chainset if you're going from 8 speed to 10 speed and shifters and chainsets are the most expensive pieces of the groupset.

    I reckon of the old groupset you could keep the front derailleur and perhaps keep the back one and replace the pullies. If the chainset isn't too worn you could see how a 10 speed chain marries with it.

    Another question is if your wheel is 10 speed cassette compatable. You'd also need a new chain. if you're very careful would could reuse the bar tape ;) New cable are pretty cheap so get yourself some new ones.


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    #5
    roadjunky
    Registered Users Posts: 2 ✭roadjunky


    I had ridley bike with the soro sti shifters and I was looking to change to 105 or ultegra groupset but what I found out it was cheaper to trade in my bike to one that had the groupset that I wanted.


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    #6
    cdaly_
    Registered Users Posts: 6,440 ✭✭✭cdaly_


    You could upgrade to tiagra 9-sp shifters, 9-sp cassette and chain. Second-hand shifters won't cost too much. Your existing sora mechs will handle the 9-sp chain no bother.


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    #7
    07Lapierre
    Registered Users Posts: 8,245 ✭✭✭07Lapierre


    mick201 wrote: »
    its 8 speed , 24 altogether

    ok, then you'll need 9speed shifters, 9 speed cassette, brake/gear cables and h/bar tape.

    if you want 10 speed, youll need a new groupset.


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