I’m sure it has been raised before but I can’t find any threads on here about it so here we go:Posted 4 years ago
When do you replace your chains?
I don’t like the idea of replacing whole drivetrains too often so i’ve bought a chain wear indicator and have been changing my chains at 0.75 wear, seems to be making a difference to my chainring/casette life. However some forums seem to advise leaving it til 1.0.
What is the STW opinion?mrblobbyMember
I usually replace at around .75 and the cassette will then do a few chains. If I wait till 1.0 then usually the cassette will need replacing too. What with the cost of cassettes these days it’s a worth while saving. That’s just my experience though and I’m sure there’s loads of other opinions on here!Posted 4 years agoz1ppyMember
I tried it at .75 but the darn thing slipped, maybe I should have persisted. I definitely don’t think that waiting till 1.0 will work at all.Posted 4 years ago
Personally I’m of the opinion, the best thing to do is have 3 chains and rotate them every couple of weeks regardless from new, would be the best option but I canne be ****. So I just use one chain and use it till it so buggered it’s snapped several times, damn the chain checker!TuckerUKMember
I became aware that ‘chain wear indicators’ were basically useless because they also measure roller wear, which is not really important. It’s so unimportant that Shimano’s £50 top of the range TL-CN41 chain wear checker DOES NOT include roller wear. There’s a website around that has lots of pretty pictures explaining why roller wear is inconsequential. I have heard (but not experienced) that some brand new chains may show worn on some chain wear indicators.
So, checking with a steel rule (whilst on the bike, as quick as using a chain wear checker), I replace chains at 12 & 1/16” (0.5%) as recommended by both Jobst Brandt & Sheldon Brown.Posted 4 years ago
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