• Maybe I'm late to the party with this one. I just learned about the new Shimano GRX groupset.

    https://bikepacking.com/news/shimano-grx/

    The new RD-RX810 or 815 rear mech has capacity to run a 11-42 cassette. No roadlink, no tanpan necessary. Compatible with everything road.

    The ultegra level FC-RX810-2 crank is a 48/31.
    The lower level FC-RX600-11 is a 46/30.

    I'm not sure about availability. Some items are appear in stock at some online shops like bike24. Some have a lead time of September.

    Attached the rear end compatibility table.


    1 Attachment

    • Shimano_GRX.JPG
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