What's The Difference Between GRX & Road Groupsets? - YouTube
The Shimano GRX Drivetrain Brings Familiar Mountain Bike Tech to Gravel Riding [Review] - Singletracks Mountain Bike News
New Shimano GRX Gravel Groupsets – Ten Things to Know
Swapping GRX crankset into a 105 road groupset for lower gearing, would the increase in chainline (43.5mm → 47mm) and Q-factor (146mm → 151mm) matter? : r/bikewrench