Shimano GRX FC-RX610-2 Crankset - 175mm 12-Speed 46/30t 110/80 BCD Hollowtech II Spindle Interface BLK MFPN=HBSP323R }Shimano TL-CN28 Multi-Speed Chain Tool

}Shimano TL-CN28 Multi-Speed Chain Tool

Will not harm seals brake pads or rotors

4 Defined Color Blue Material Alloy Type Bolt-On

Sealed 686zz bearing and Igus bushing

Shimano GRX FC-RX610-2 Crankset - 175mm 12-Speed 46/30t 110/80 BCD Hollowtech II Spindle Interface BLK MFPN=HBSP323R }Shimano TL-CN28 Multi-Speed Chain ToolShimano GRX FC RX610 2 Crankset 175mm 12 Speed 46 30t 110 80 BCD Hollowtech II Spindle Interface Black. The Shimano FC RX610 crank balances weight savings optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. TECH SPECS Color Black Rings 46 30 Number of Chainrings Double Crank Length (mm) 175 Crank Intended Use Gravel Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface