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  1. #1
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    Lightbulb 7spd roadbike....

    hi all, a query, im working on an old 7spd road bike (rd50 rear deralliuer) and it needs replaceing, im stuffed if i can find a 7spd to use other than MTB ones.... could i run an 8spd basic model road bike without too much hassles. its running on a 7sp 14-28th freewheel....
    thanks

  2. #2
    Senior Member Dirty Karlos's Avatar
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    Hi, on my old workbike which is 7 spd, I am running an 8spd Alivio rear mech, works fine.

  3. #3
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    Quote Originally Posted by Dirty Karlos View Post
    Hi, on my old workbike which is 7 spd, I am running an 8spd Alivio rear mech, works fine.
    Hi, thanks for the reply, i assume your work bike is a roadie and the alivo MTB rear mech?

    thanks.

  4. #4
    Senior Member XC Whippet's Avatar
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    If you have a 28 at the back you maybe better of with a mtb rear mech as some road mechs can only handle 25 depending on whats at the front. Around the time of 7spd the largest gear at the back of mtbs was 28(IIRC). As DK says a mtb rear will work fine.Is the curent mech shimano or what? does it bolt onto a frame hanger?

  5. #5
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    its a shimano and bolts on to a mech hanger yes, thanks for your input

  6. #6
    Senior Member Dirty Karlos's Avatar
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    Quote Originally Posted by MOHIKAN22 View Post
    Hi, thanks for the reply, i assume your work bike is a roadie and the alivo MTB rear mech?

    thanks.
    Yes & yes.
    :)

  7. #7
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    excellent, then an 8spd alivios it is, many thanks for the help all. appreicated.

  8. #8
    Senior Member Nobby's Avatar
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  9. #9
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    Thanks Nobby but i grabbed one from chain reaction at a whole pound dearer. im nto paying for it anyways the customer is.

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