Which Groupset?

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andyp in reply to @TTM

I’ve only got Shimano 12 speed, so no real world experience.

I have just tried to use a (slightly) worn 11-speed chainring with a 12-speed chain and it was a non-starter. The chain will only sit on top of the teeth and won’t properly engage.

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TTM in reply to @andyp

I have just tried to use a (slightly) worn 11-speed chainring with a 12-speed chain and it was a non-starter. The chain will only sit on top of the teeth and won’t properly engage

I might grab a new set of 12 speed rings then in case. I can always return them if mine work ok.

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