You can find all the spare parts and components you need at Escapa.
The Shimano GRX 40T Chainring for FC-RX600-1 is designed to be compatible with the GRX FC-RX600 1x11-speed crankset.
FEATURES:
Mounting: 4-bolt
BCD: 151 mm
Teeth: 40T
Speeds: 11-speed
