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M8200 cranks + CRM85 chainring = 52mm chainline?

PB Forum :: Shimano
M8200 cranks + CRM85 chainring = 52mm chainline?

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flag sdaly
O+
Posted: Aug 14, 2026 at 18:56 Quote
Can anyone confirm that the new M8200 XT cranks, which says they are 55mm chainline, can be run with the M8100 (CRM85) chainrings to get a 52mm chainline?
flag aegiz
Posted: Aug 28, 2026 at 12:41 Quote
the chainline specification is based on the crankset itself.

if you want to maintain a 52mm chainline, you may want to explore an aftermarket chainring with a 3mm offset.
flag sdaly
O+
Posted: Aug 30, 2026 at 4:47 Quote
From the research I have done, the old style chainring is -3 offset, and the new chainring is 0 offset. Shimano doesn't provide this info, but I read in a forum post somewhere that was the case and they were running the new 55mm cranks with the old style chainring to get at 52mm chainline. I'm not asking for somebody to read the shimano crank specs to me, I'm looking for real world experience from anyone that has tried this
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