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Planning to get a Shimano CX70 double mech.
That's actually what Hub Jub suggests. Good to know, cheers.
Tijs-
Jan's been banging on about them for years now: https://janheine.wordpress.com/2013/03/25/trouble-with-sti-triples/
I've got them on a couple of bikes with similar size rings and it works well.
atk
Got them from @andy_k, kudos to him and his enormous stash of fancy bike parts.
Planning to get a Shimano CX70 double mech. Comes in top-pull flavour, rated for big tooth jumps and optimised for smaller ring circumference