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Old 05-29-07, 05:07 PM   #1
MaxBrokeAway
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RD Shifting up VS. Shifting down

I notice that with my rear derailleur...shifting from smaller cogs to larger cogs timing is quicker...like it takes only a split second to shift from 3 to 2, but it take a half second from 2 to 3...is it normal for the shifting to be a little slower when shifting to smaller cogs?
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Old 05-29-07, 06:07 PM   #2
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so nobody ? Did I phrase the question poorly?
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Old 05-29-07, 07:50 PM   #3
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I don't know much about derailleurs, but I think there's two adjusting screws that center the derailleur around the chain, so maybe its just a little bit closer to one side, so it pushes them up to the big cogs faster than down to the little cogs.
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Old 05-29-07, 08:01 PM   #4
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Quote:
Originally Posted by MaxBrokeAway
I notice that with my rear derailleur...shifting from smaller cogs to larger cogs timing is quicker...like it takes only a split second to shift from 3 to 2, but it take a half second from 2 to 3...is it normal for the shifting to be a little slower when shifting to smaller cogs?

This would best be asked in the mechanics forum. No it isn't normal. YOu probably have a cable that is too tight, and/or dirty. Or possibly a bent derailleur hanger. Go to www.parktool.com to learn about derailleur adjustment.
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Old 05-29-07, 08:20 PM   #5
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Quote:
Originally Posted by MaxBrokeAway
I notice that with my rear derailleur...shifting from smaller cogs to larger cogs timing is quicker...like it takes only a split second to shift from 3 to 2, but it take a half second from 2 to 3...is it normal for the shifting to be a little slower when shifting to smaller cogs?
Try turning your adjuster barrel clockwise, a little bit at a time.
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Old 05-29-07, 08:21 PM   #6
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sounds like cable tention to me. do what parktool tells you to then spray some lube on the cable and it should shift perfect ( unless bent derailluer hanger as portis said)
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Old 05-29-07, 09:44 PM   #7
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Quote:
Originally Posted by MaxBrokeAway
I notice that with my rear derailleur...shifting from smaller cogs to larger cogs timing is quicker...like it takes only a split second to shift from 3 to 2, but it take a half second from 2 to 3...is it normal for the shifting to be a little slower when shifting to smaller cogs?
Half a second is the slowest shift? Whats the problem?? Cables are prolly a little stretched though and need some adjustments
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Old 05-30-07, 04:44 AM   #8
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its not a real "problem" its just something i noticed and wanted to ask about it...ive only had a week but im pretty sure it came from my bike shop doing this...and i do think the derailleur hanger is bent in by 1mm...so thats probably what the problem is
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Old 05-30-07, 05:01 AM   #9
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As already stated, it could be adjustment or need to replace the cable/housing. The best way to tweek shifting is at the shifter pod while riding. Things are always different in the real world.

Al
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