Material Hardness:HB150 CNC process precision:0.03mm Size: 110 BCD Thickness: 4MM Speed: 9-10-11-12 speed(MTB) 9-11s(Road) Fit for Shimano GRX Series FC-RX810 RX600 Crank Surface treatment: Anodize, high speed CNCMaterial Hardness:HB150 CNC process precision:0.03mm Size: 110 BCD Thickness: 4MM Speed: 9-10-11-12 speed(MTB) 9-11s(Road) Fit for Shimano GRX Series FC-RX810 RX600 Crank Surface treatment: Anodize, high speed CNC
