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Old 02-18-2024, 07:22 AM
Gabe77 Gabe77 is offline
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Join Date: Mar 2021
Posts: 90
Mixing cogs from diff speeds on a cassette?

I've been splicing cassettes for a while, and happily so. My do-all bike is running the HG800 11-34 spliced with the junior 14-28 Ultegra for a 14-34 range. That's been running flawlessly but I found an old unused 11-36 10 speed XT cassette. I'm tempted to replace the 27-30-34 cogs with 28-32-36 from it. In experimentation it seems to work OK although I had to play around with spacers to get the 11s to 10s spiders have the approximately right gap.

The capacity etc is all fine and I have previously run an 11s chain on a 10s system without trouble. Has anyone done this and should I foresee trouble? It seems an easy way to get back to a 12t starting cog on all those pesky 11s groupsets that insist on 11t starting sprockets.
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