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my rear 105 11speed derailleur has been bad shifting lately and it’s not been staying tuned.. I’ve replaced the mech hanger and cable and it’s now shifting nice and smooth, however, what hasn’t changed is a horrible noise from my chain when riding. It’s like a dirty diesel noise!
the chain sounds like it’s randomly rubbing against the next ring but I can’t stop it. Sometimes it’s bearable and sometime it very annoying.
– derailleur hanger and derailleur is straight and the derailleur looks to be the same.
– shifting is light and smooth
– cassette and chain are only only about 750 miles old and measure up ok
– bit of wobble in my derailleur but I think its normal.
any thoughts? Bad tuning? Derailleur wobble? Limit screw not set up well and the shifting is not central on every gear? Bad chain, laterally worn!!
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That sounds like a familiar noise. Check the chain hasn’t been looped over the metal tab between the two jockey wheels instead of under it. I’ve done this a couple of times by mistake.
It only adds a little resistance when pedalling – I did about annoying 50 miles before discovering it.
(Had put the chain back on with the bike upside down, in which position it’s easy to do this.)
Seconded. I did that myself once (my defence is that I got distracted by having to break up a fight between my kids)
That sounds like a familiar
That sounds like a familiar noise. Check the chain hasn’t been looped over the metal tab between the two jockey wheels instead of under it. I’ve done this a couple of times by mistake.
It only adds a little resistance when pedalling – I did about annoying 50 miles before discovering it. (Had put the chain back on with the bike upside down, in which position it’s easy to do this.)
It only adds a little resistance when pedalling – I did about annoying 50 miles before discovering it.
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