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This was a great suggestion. I thought I'd gone through every possible option in checking things. It lead me to the tiniest amount of drag on one of the cable ends.
It's now shifting again, not perfect, but functional. So potentially the issue is still there, and could well be the mech, but I'm mobile again.
Thanks for the tip.
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All gears sadly.
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After advice in the hope I don't end up taking a sledgehammer to the thing. Shifting issues with 11 spd SRAM Rival HRD. Clicking gears to go down the sprockets (as in from big to small, or from inside to out if you know what I mean), the mech will not move. A tug on the outer cable down by the chainstay solves this. I initially thought it was something at the shifter end, but new inner and outer cable plus a thorough clean of the shifter mechanism has made no difference. When riding, if you shift and the mech stays put, and shift again, the inner cable has a tendency to pop out of the spool as it has nowhere to go. I did read this can happen and a blob of superglue can help, but it's only papering over the cracks.
Now, with new cables etc, if there is no wheel in the bike the shifter does move on demand, not super snappy, but it moves. As soon as you put a wheel on (and chain) we are back to it not moving. Is this a mech issue? I've tried cleaning the pivots etc, with no joy.tl;dr #fuckingsram
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@Philbythesea - I did originally respond to this, but I've found some screengrabs of the Campag catalogue from 2014 on my phone. As the shifting wasn't quite right, they changed the spacers from all being 2.2mm wide, to all 2.2mm except for the one between 6th & 7th largest sprocket (in terms of teeth), and increased it to 2.3mm. Sounds ridiculous, but once I switched that in on my later Centaur cassette which contained 2.2mm spacers throughout, it made all the difference.
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Would love another airfix tshirt. I had to throw mine away a couple of years ago, it ended up with holes everywhere.
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Couple of years ago I set up Centaur 11 speed sprockets on a pre 2015 SR rear mech and ergos, there was a slight shifting issue just over half way down the gears, whatever I did I couldn’t get it quite right. I can’t find the article now, but there was a change to the spacer widths back then to make the sprockets run better. Ended up having to use (I think) a 2mm spacer between (possibly) the 3rd and 4th smallest sprockets and it since been spot on.
One to consider if you can’t quite get it right also. -
What Ergos have you got? Same era as the rear mech?
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Could be. Can you show any rim wear please?
My 6 speed wheel is getting close to needing another rim (already had one rebuild in 10,000 miles) but don’t fancy rebuilding it again.
https://www.kentonline.co.uk/ashford/news/huge-bike-factory-set-for-green-light-despite-company-prof-318364/
Covers the financial situation again (which was probably covered better on there than on this article!). Would love to know what they're going to do about staff relocation.