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No, both derailleurs have to be newer AXS.
on the chainring point, I'd not go out and buy chainrings straight away, try them with flat top chain first or better still just use a non flat top chain...they will probably be fine till they actually wear out.
onyerbike-
I’ve gone for a shimano 12 speed chain and cassette, so hopefully that’ll be fine with the current chain rings.
both derailleurs have to be newer AXS
I have bought AXS front and rear mechs so it’s academic now, but out of interest what’s the reason for not being able to use the old red etap front? I’m sure I’ve read that AXS is backwards compatible with 11sp? Or is it that the mech won’t shift a 12 speed chain well?
TTM
Aha, this is useful and what I was struggling to work out.
So, my current plan will almost certainly not work?
Keep my 11 speed P2Max chainset
Keep my Red etap 11 speed FD
Buy new Force AXS D1 Shifters
Buy new Force AXS D2 RD
Buy new 12 speed chain and cassette
Ride my bike