Message from discussion New front chain rings - not able to use small one

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From: POHB <goo...@hayward.uk.net>
Newsgroups: uk.rec.cycling
Subject: Re: New front chain rings - not able to use small one
Date: Fri, 21 Dec 2007 06:35:43 -0800 (PST)
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On 21 Dec, 14:21, Peter Scandrett <prgs-use...@scandrett.net> wrote:
> So - can I have some advice please? Do I need to bend the gear arm thing
> so that it will push the chain onto the smallest cog (I was reluctant to
> do this on the ride and still would rather not)? Have the rings been put
> on the bottom bracket(?) too close to the frame so it can't shift to the
> small one? What else might have changed that I can fix (and how)?
>
> For what it's worth, the gear cable and control thing on the handlebar
> seem to be fine and it seems to be an adjustment thing at the pedal end.
>
> I must admit that I'm not terribly impressed with the LBS in question;
> they're OK,

No they're not.  They're rubbish.  Go back to the shop and either get
it sorted or get your money back.  Of course they should have adjusted
your gears to work when they replaced them.  If you took a car to a
garage to get a new gearbox fitted you'd expect to be able to change
gear when you got it back.  Don't start bending things because that
might give the shop an excuse not to sort it out.

> I sort of assumed that when a LBS
> replaced the chain ring unit they'd adjust the gear mechanism to go with
> it but evidently not - is this normal? I didn't explicitly specify that
> I wanted it to be done so I suppose it's my fault.

No it's not.

> run out of movement on the
> arm thing as the frame gets in the way.
>
> Any thoughts please?

I was going to suggest that the cable might need to be disconnected
and slackened, but if the frame is in the way then that's not going to
help.  The new crankset has not been correctly fitted.  Maybe it needs
some spacers or maybe it isn't the right size.  Whatever, the shop has
stuffed it up and should fix it.