Shimano GRX component series is the first dedicated gravel group w/ 10 & 11 speed options - Bikerumor
SHIMANO 105 Hydraulic Disc Brake DUAL CONTROL LEVER 11-speed for Small Hands | SHIMANO BIKE-EU
Can I put a Shimano 105 or Ultegra road power meter on Shimano GRX crankset? - Power Meter City
Gravel Upgrades: Mixing and Matching Shimano GRX and Road Components | SHIMANO BIKE-US
Gravel Upgrades: Mixing and Matching Shimano GRX and Road Components | SHIMANO BIKE-US
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
The Pearson Guide to Shimano road and gravel bike groupsets - Pearson1860
Shimano GRX 400 vs 105: Which Groupset Is Right for You? - Eco Proma Insight
Shimano GRX and cross compatibility - Equipment - TrainerRoad