if I want to run etap/12 speed but keep my current 11 speed shimano ultegra 6700 wheels... does anyone know if I can just change the freehub driver to achieve this?
You'd need an XDR driver. I'd be very, very surprised if Shimano or anyone else made an XDR driver for 6700 wheels or hubs. So no.
@cozzzzzzzz started
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if I want to run etap/12 speed but keep my current 11 speed shimano ultegra 6700 wheels... does anyone know if I can just change the freehub driver to achieve this?