• anyone got the GX di2 rear mech? I've got one fitted and it won't let me crosschain. literally won't let me shift in to the top 3 or bottom 3 gears, depending on front ring. Any way of turning this shite off?

  • If you want to keep semi-syncro you can also tell it you have a standard chain set and a smallish cassette and it will allow you to cross chain. I think it only limits the range on compacts etc.

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