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30-05.-2008, 05:12 AM
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#1 |
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Guest
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what is that little peg, on the outside of the chain ring, just underthe crank arm, for?
what is that little peg, on the outside of the chain ring, just under
the crank arm, for? [shimano 600/ultegra, double chain rings] wle. |
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30-05.-2008, 05:18 AM
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#2 |
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Re: what is that little peg, on the outside of the chain ring, just under the crank arm, for?
On Thu, 29 May 2008 13:12:04 -0700 (PDT), wle <wle@mailinator.com>
wrote: >what is that little peg, on the outside of the chain ring, just under >the crank arm, for? > >[shimano 600/ultegra, double chain rings] > >wle. Dear W, The peg keeps an over-shifted chain from falling all the way down off the big sprocket, just as a chainwatcher keeps an over-shifted chain from falling all the way down off the small sprocket. That way, you can get the chain back on the sprocket without having to stop and fuss. Cheers, Carl Fogel |
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30-05.-2008, 05:49 AM
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#3 |
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Re: what is that little peg, on the outside of the chain ring, just under the crank arm, for?
<carlfogel@comcast.net> wrote in message news:3l3u34dkq919p44a3tvce7fh6vvgqieegi@4ax.com... > On Thu, 29 May 2008 13:12:04 -0700 (PDT), wle <wle@mailinator.com> > wrote: > > >what is that little peg, on the outside of the chain ring, just under > >the crank arm, for? > > > >[shimano 600/ultegra, double chain rings] > > > >wle. > > Dear W, > > The peg keeps an over-shifted chain from falling all the way down off > the big sprocket, just as a chainwatcher keeps an over-shifted chain > from falling all the way down off the small sprocket. > > That way, you can get the chain back on the sprocket without having to > stop and fuss. > > Cheers, > > Carl Fogel It also helps prevent the chain from getting wedged between the crank arm and the chainring. Chas. |
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30-05.-2008, 11:29 AM
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#4 |
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Re: what is that little peg, on the outside of the chain ring, justunder the crank arm, for?
* * Chas wrote:
> <carlfogel@comcast.net> wrote in message > news:3l3u34dkq919p44a3tvce7fh6vvgqieegi@4ax.com... >> On Thu, 29 May 2008 13:12:04 -0700 (PDT), wle <wle@mailinator.com> >> wrote: >> >>> what is that little peg, on the outside of the chain ring, just under >>> the crank arm, for? >>> >>> [shimano 600/ultegra, double chain rings] >>> >>> wle. >> Dear W, >> >> The peg keeps an over-shifted chain from falling all the way down off >> the big sprocket, just as a chainwatcher keeps an over-shifted chain >> from falling all the way down off the small sprocket. >> >> That way, you can get the chain back on the sprocket without having to >> stop and fuss. >> >> Cheers, >> >> Carl Fogel > > It also helps prevent the chain from getting wedged between the crank arm > and the chainring. > where it gouges the crank arm and initiates fatigue. |
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