Question about Shimano Cycling
Unable to select bottom (lowest) gear Shimano 100GS - looking for range adjustment?
Here is a link to a tech sheet for a Shimano Deore rear derailleur. It is not your exact one, but all Shimano derailleurs are more or less the same. Make sure you have thoroughly cleaned your drivetrain with a degreaser (like Simple Green) and a brush to clear all grease and debris before making adjustments. The second step is to shift into your highest gear (the smalles cog) and then release the cable in the derailleur, pull taut and retighten it. Check again to make sure you can not get into low gear, because it may have been a problem with cable tension, which you just fixed. If it still does not, then adjust the "L" setting on the derailleur so that the jockey wheel on the derailleur will move just ever so slightly past the last cog on the cassette when the shifter is fully engaged.
Hope this helps,
Posted on Oct 08, 2009
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Posted on Jan 02, 2017
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