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  1. #1
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    Swapping wheels - readjust rear derailleur?

    I swapped out a pair of wheels yesterday, started riding, and promptly dropped my chain onto my spokes. How much adjustment is normally needed when swapping wheels? I assumed that no adjustment would be required.

    edit:
    some specifics on the wheels
    1) HED Ardennes SL with SRAM 10 spd cassette
    2) HED CT/DT240 with Shimano 10 spd cassette

    different hubs, different cassette brands, but same 11-28 gearing
    Last edited by human powered; 05-30-2013 at 07:40 AM.

  2. #2
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    something sounds odd. we have 6 bikes all running the same drive train (Campy 10-speed in this case) just so we can swap wheels back and forth all over the place, and I never have to make derailleur adjustments.
    "'complicated, diverse creature' is adspeak for a d-bag..."
    -- stevesbike

  3. #3
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    What is about dropping the chain into the spokes that didn't answer this question for you?

  4. #4
    'brifter' is a lame word.
    Reputation: cxwrench's Avatar
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    oddly enough for such a simple thing there are too many variables. do you know for a fact that the low limit was properly adjusted previously to this? if so, how do you know? is the hanger bent now for some reason when it wasn't before?
    it's not out of the ordinary to make a minor cable tension adjustment between wheels, and slightly less ordinary to make very minor limit screw adjustments.
    i take it you've swapped between these wheels before? anything weird happen lately? bike fall over? crash? anything?
    i work for some bike racers...
    2013 Trek Madone 5.9 w/ '12 SRAM Red
    2010 Cervelo T1 sprint bike
    Ruger 10-22TD
    Smith&Wesson M&P 15-22
    Smith&Wesson M&P 9
    oh, those belong in another forum

  5. #5
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    The bike is a new build (new frame, old components) fresh out of the shop. Built with the HED Ardennes, then swapped two days later for the C2s which have slightly wider tires and are a bit more comfy on long rides. Nothing happened between the time it left the shop and I swapped the wheels. The C2s I've had for a while. The Ardennes are new.

  6. #6
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    "How much adjustment is normally needed when swapping wheels?"

    A little on the cable and a little on the limits usually since you are going between Sram and Shimano.

    "I assumed that no adjustment would be required."

    You assumed wrong.

    Using the same wheel and swapping between a Shimano and Sram cassette, I always have to re-adjust my RD.

  7. #7
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    Swapping wheels - readjust rear derailleur?

    Thanks for the responses!

  8. #8
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    Quote Originally Posted by cxwrench View Post
    oddly enough for such a simple thing there are too many variables. do you know for a fact that the low limit was properly adjusted previously to this? if so, how do you know? is the hanger bent now for some reason when it wasn't before? it's not out of the ordinary to make a minor cable tension adjustment between wheels, and slightly less ordinary to make very minor limit screw adjustments.
    i take it you've swapped between these wheels before? anything weird happen lately? bike fall over? crash? anything?
    yeah good point. OP, if you haven't fiddled with adjustments yet I'd suggest putting the old wheel back on and see if that works like it did when you took it off. If it doesn't then a bent hanger becomes a decent bet.

    I know you said nothing happened to the bike but sometimes bending a hanger is like losing a sock you know you put in the laundry. It just happens and it can't be explained sometimes. Some of those hangers are really delicate (on purpose to protect the frame) and it doesn't take much more than a tap.

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