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Crankset / Bottom Bracket Question

  • 18-01-2014 1:18pm
    #1
    Kaiserkel
    Registered Users Posts: 28 ✭


    I want to change my crankset as its worn. I have a Scott S40 with a Truvativ 07BB with 108mm Spindle and 68mm shell width according to the Spec. The crankset is a truvativ ISO flow C2.1 34/50.

    If I buy a new crankset do I have to buy a new Bottom bracket? I am looking at Tiagra 4600 crankset with Shimano 4600 BB.

    How do i know this BB will fit the bike?

    Thanks for any help in advance.


Comments

  • #2
    Kaiserkel
    Registered Users Posts: 28 ✭Kaiserkel


    Anyone got any advice?


  • #3
    mirv
    Registered Users, Registered Users 2 Posts: 848 ✭✭✭mirv


    Yes you'll need a new BB. Your old BB/chainset is a JIS square taper type, and a Tiagra 4600 chainset/BB is an Hollowtech II external bearing BB style.

    If you want a compact chainset/bb though, have a look for the Truvativ Elita chainset on chain reaction. It's 48/34 and comes with a BB for around 35 euro.


  • #4
    Kaiserkel
    Registered Users Posts: 28 ✭Kaiserkel


    Thanks for the help - looking for a standard.


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