The GRX RX600 components do not form a complete group. GRX RX600 groups will rely on Shimano 105 components (chain, cassettes) and will use RX810 derailleurs and calipers. The GRX RX400 group is ...

The ST-RX815 also features an 18mm higher axis point. To integrate the use of dropper posts in gravel riding, Shimano has created the GRX mechanical ST-RX810-LA left hydraulic disc brake lever that, ...

Pete Stetina mounts his Shimano GRX Di2 levers inward aboard this unique one-piece handlebar. (Photo: Will Tracy) The bar and stem have a downward sweep from the stem faceplate that flares out ...