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Chain skips under heavy load when pedalling
#1
Hey. My 1x mountain bike has been very reliable for over 2+ years, with no problems whatsoever. But recently I have been annoyed by chain skipping when under heavier load. Honestly, I have not changed the chain, nor chainrings. I have some experience with 2x and 3x front chainring drivetrain systems but 1x is still new to me. What would be your first move? I don't think that the cassette is worn out.
  • inspect the chain and chain wear?
  • adjust the rear derailleur?
Merida Scultura 5000 (2015)
Merida Big Nine 400 (2019)
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#2
(10-13-2021, 04:59 PM)Zviedrs Wrote:  Hey. My 1x mountain bike has been very reliable for over 2+ years, with no problems whatsoever. But recently I have been annoyed by chain skipping when under heavier load. Honestly, I have not changed the chain, nor chainrings. I have some experience with 2x and 3x front chainring drivetrain systems but 1x is still new to me. What would be your first move? I don't think that the cassette is worn out.
  • inspect the chain and chain wear?
  • adjust the rear derailleur?

how much the chain in worn out?
do you have a caliper? it would be more accurate: check if the caliper set up at 133mm can be inserted or worse if it can move freely
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#3
for those who stumble upon this thread and are wondering how to check for chain wear: https://www.bikeride.com/chain-wear/
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