Timeline for Chain repeatedly slips on rear cogs to next higher gear...and sometimes back and forth. What to adjust?
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
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| Oct 7, 2023 at 12:49 | comment | added | DoNuT | @Cerulean It actually doesn't change the spacing, it just adjusts the position of the rear derailleur relative to the cog it should be cover in a certain gear. One click at the shifter will always move the RD for the same distance. Fine-tuning is takes some practice but some noise is expected, especially when the chain is at an angle, like on the big chainring and towards the largest sprocket on the back. Wear of components and lubrication also plays a role, I guess there is some room for improvement but if all the shifts work as expected, that's close enough. :) | |
| Oct 7, 2023 at 11:09 | comment | added | Cerulean | Thanks for asking! I watched the video and turned the small “wheel” the surrounds the rear derailleur cable as the video suggested. I tried to make the spacing (the shifting step width) narrower by turning clockwise as per the video but that didn’t help. I then tried turning the wheel counterclockwise instead and although some chain chatter remains (I don’t like it) the problem of jumping around seems to have gone away completely! Is it possible that counterclockwise == make the spacing narrower on my bike? In any case, much improved, so fingers crossed! Thanks to everyone for your help! | |
| Oct 5, 2023 at 17:15 | comment | added | DoNuT | @Cerulean Let us know how it went. Cables lengthen, cables slip and you never know if somebody or something touches your bike, even in your living room or pain cave. | |
| Oct 5, 2023 at 0:15 | vote | accept | Cerulean | ||
| Oct 5, 2023 at 0:12 | comment | added | Cerulean | @ChrisH thanks -- as far as I know (and remember) everything was done correctly. The shop I bought the bike and the Kickr from specifically ordered a new cassette to match the bike. Something's just gone out of whack recently -- everything has worked fine since March, up until a few weeks ago. | |
| Oct 4, 2023 at 15:45 | comment | added | Chris H | @Cerulean The specs I'm seeing for your bike say 8 cogs. The number of speeds on the rear mech, shifter, and cassette all need to match exactly (in some cases even the brand and type need to match, but that's not an issue for you | |
| Oct 4, 2023 at 15:00 | comment | added | Cerulean | I had to get a new cassette as the one that came with the Kickr wasn't correct for the bike. But that should be sorted -- I think it was 10 cogs? I will review all the rest and see if it helps. Thanks! | |
| Oct 4, 2023 at 13:38 | history | edited | DoNuT | CC BY-SA 4.0 |
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| Oct 4, 2023 at 13:33 | history | edited | DoNuT | CC BY-SA 4.0 |
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| Oct 4, 2023 at 13:28 | comment | added | DoNuT | Ah yes, that's a very good point, indeed! Comes with an 11 speed cassette and that definitely won't work, unless you index it for a single gear to fit and ride home^^ | |
| Oct 4, 2023 at 13:18 | comment | added | Chris H | +1 But before you even get to the point of checking the indexing, do check that the number of cogs on the trainer matches the number on the wheel | |
| Oct 4, 2023 at 12:47 | history | edited | DoNuT | CC BY-SA 4.0 |
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| Oct 4, 2023 at 12:38 | history | answered | DoNuT | CC BY-SA 4.0 |