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Oct 16, 2022 at 13:46 history edited Michael CC BY-SA 4.0
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Oct 16, 2022 at 12:41 comment added Austin Hemmelgarn @Criggie It is indeed a result of the downstroke always being in the same places on the rear cog. My understanding though is that the problem is not the rear cog itself, but the fact that the asymmetric wear there has a bigger impact on the belt wearing out than if it were symmetrical, with this being compounded by the smaller size (and therefore tighter bend in the belt) of the cog as compared to the front.
Oct 16, 2022 at 9:05 vote accept Stücke
Oct 16, 2022 at 6:32 comment added Michael @Criggie: Yeah, I’m not too sure how bad it really is. On the front cog you can’t avoid it and it’s still lasting a long time.
Oct 16, 2022 at 2:19 comment added Criggie Not sure where the cog wear thing comes from - I know fixed gear bikes like to have uncommon divisors, to spread out the number of wear/skid patches on the rear tyre (2:1 would give exactly 2 skid patches) Is it related to the pressure of the downstroke always being in the same place on the rear cog?
Oct 15, 2022 at 15:38 history edited Michael CC BY-SA 4.0
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Oct 15, 2022 at 15:20 history answered Michael CC BY-SA 4.0