So my GRX 400 rear derailleur jockey wheels became ninja stars and I cant get some new GRX specific ones. Will other shimano jockey wheels also work? : r/bikewrench
Gravel Cyclist: Shimano GRX 2x with 11-40T Cassette | VeloNut
KOOTU BERSERKER Lightweight Carbon Gravel Bike Shimano GRX-400 – KOOTUBIKE