Bicycle Mechanics - Double ring not shifting well
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I got a used CAD3 and it has shimano 600 shifters.
My problem is that I just cannot tune it just right so that I don t get a chain 'kling' on the very top or very bottom gear.
... May I mention that I am not very familiar with bicycle vocabulary...
So I can either get it without chain 'kling' on top gear but when I switch to lowest it start to kling...
I am a real moron, I should just go read a book about how to express myself. In the meantime, does anyone understand what I am trying to say? I keep on adjusting the cable wether if I climb.
Not sure what you mean by kling. Is the chain dragging on the front derailleur?
You should not ride "cross-chained, largest chainring with largest cassette cog, or smallest chainring with smallest cog.
Find the derailleur adjustment instructions at the Park Tool website http://www.parktool.com/. Do each step in sequence being careful to not leave anything out.
A great source for vocabulary and mechanical help is http://www.sheldonbrown.com / Harris Cyclery. Sheldon has been a terrific source of cycling information and advice.
01-19-07, 09:02 AM
The secret rule in bike gearing is that you really can't use at least two of the combinations on your bike. This is what Al is talking about with cross-chaining: when the chain is on the small front chainring, you will not be able to use the smallest rear cog; likewise, when on the largest front chainring, you will not be able to use the largest rear cog. So your 12 speed is now a 10 speed.
That said, one thing I've found when adjusting shifting on a bike new to me is that the front derailleur often gets tweaked out of line with the chainline / chainrings (twisted on the seat tube). If this is the case, lining it back up could give you one of these gears.
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