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@fax_yourself
I am using an older Cannondale xc frame and attempting to put together a 1 x adventure/gravel setup without bodging it too much.
With SI cranks and Woltooth 1 x chainring on the front, am I okay using the 1 x long cage GRX mech to help me get a bigger cassette on than a standard cross setup? The worry is that Shimano have changed the chainline with the GRX chainsets by a couple of mm.
This for instance:
https://www.sigmasports.com/item/Cannondale/SuperX-GRX-Disc-Cyclocross-Bike-2020/MVPI
sticks with the older Ultegra RX mech. Is that purely because a bigger cassette isn't required, or because a GRX mech wouldn't work correctly? People that usually know better than me have said it should be okay.
Thanks