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Adjust shimano ez fire shifters

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Adjust shimano ez fire shifters

Old 08-02-14, 07:54 AM
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hardywang
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Adjust shimano ez fire shifters

Hi,

I have just bought a mountain bike from my local department store. My bike is equipped with Shimano EZ-Fire shifters, Shimano front derailleur, Shimano Altus rear derailleur.

Now I have a little problem that the left shifter wouldn't be able to downshift to 1 - the lever could get to 1 by the reading, but the chain won't move to the smallest chain wheel. It works fine between 2nd and 3rd gear.

Update 1:
I start to adjust front derailleur screws (high gear set screw and low gear screw), I can get to a point that it is able to shift into 1st gear. But the problem is that I cannot shift from 3rd into 2nd, I have to further shift into 1st, then shift back to 2nd.

I can always bring it back to the store to fix, but I would like to try by myself first.

Anyone knows what shall I do?

Thanks

Last edited by hardywang; 08-02-14 at 08:45 AM.
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Old 08-02-14, 08:54 AM
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Was it ever right?

If it worked right before, you can assume that the position of the derailleur on the seat tube is correct. It was also probably a mistake to "screw" with the limit screws because they don't typically change in normal use.

I'm going to suggest that you completely disconnect the shift cable and start from the beginning as if you were installing the front derailleur for the first time. Try the Park tool website for a good set of step-by-stem instructions. Be sure to follow the instructions in order because each adjustment affects the subsequent adjustments.
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