Technical & Reference Section > Tech and Restoration

chain help please !!!!!!

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dodgydave:
hi guys please can some one help me here !!....this is doing my head in ...everytime i but my back wheel one  with bike upside down ...tighten every thing up ..with wheel strait...i pedal backwards ..& my chain goes tight - loose - tight -loose ..so on ....?.how can i stop it ....??..cheers ..dd

fuzzynod:
If you are running 3 piece cranks have you got the small "tophat "spacer in the inside of the chainring or is the ring sloppy on the spindle ?

dodgydave:
the top hat washer wont fit in side my 39t chain ring ( gone from 44t - 39t )...but it not sloppy ...??..its 12.40 an i got work at 5.30am....its doing my head in .... :'(...lol....oh f**k the bike i going bed .... >:D...lol...thanks for all your help & advise .....in advance ... :daumenhoch:

diesel:
Might sound strange, but have you checked:

1) that your chainring isn't an oval one instead of a round one? Some where made oval.... can't remember the reason?

2) that your chain ring is centered on the spider, if its out a little on the spider is will be quite a bit out at the chain.

zed4130:
i allways have this problem dave  :tickedoff: and ive never had one of these washers for the chainring ? just make sure your rings on right  :daumenhoch: and all should be huncky dory  :laugh:

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