Shimano GRX FC-RX610 2x12 Chainring - Four Bolt - 80 BCD - 51.1mm - Round - 30T - 12 Speed - Steel PDP|PLP|Brake Rotor Type Adapts your frame to be

Adapts your frame to be able to run a 200mm rear brake rotor

The new Shimano 12-speed chain rings use a different technology than Drop-Stop as the Shimano 12 speed chains are not compatible with the standard Drop-Stop tooth profile

The SAS-TECH protective inserts are removable for washing purposes

The Maxxis Creepy Crawler is the best trials tire available on the market

to ensure efficient and accurate bearing removal and installation

Shimano GRX FC-RX610 2x12 Chainring - Four Bolt - 80 BCD - 51.1mm - Round - 30T - 12 Speed - Steel PDP|PLP|Brake Rotor Type Adapts your frame to beShimano replacement chainring for GRX FC RX610 2 x 12 speed crankset.