Bicycle Mechanics - rear derailluer adjustment question
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07-12-09, 01:23 AM
when switching gears from larger to smaller cog (moving down the cassette) it appears to slip some.
does this mean the barrel adjuster tension is too tight or too loose?
I cant remember if up was loosen and down was tighten...or the other way around. thanks.
07-12-09, 01:32 AM
Feel the cable-tension between the shifter and RD body. It should be taut when in it's most relaxed gear - the smallest cog on the cassette. Not TIGHT - but taut. Not being to see your clockwise, right, counter-clockwise, etc. from here - twist it 1/2 turn and feel the cable. Is it tighter? Or looser?
Go from there.
Here's Park Tool on adjusting the RD:
And here's a video on the same subject - thank you Alex Ramon:
07-12-09, 09:17 AM
ya...i think loosen was for poor shifting down the cogs.
You may have a bit too much tension or too much friction in the cable housings. If you continue having sluggish shifting you may need new cables and cable housings. If the shifters are more than a year old you may need to shoot WD40 into the shifters.
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