Had the Rotor Aldhu 48/32 crankset combined with the GRX group set on the bike for a while but ever so often, I get a crunching shift from the small ring into the big ring. Shimano designed GRX with a different chain line and I’ve just gone back to the GRX crankset to see if this was the cause. 🚲

Alex Hoffmann @mangochutney