Shimano GRX FC-RX610-1 Crankset - 172.5mm 12-Speed 40t 110 BCD Hollowtech II Spindle Interface BLK MFPN=11A00276 Compatible with LINKGLIDE AND HG Length:110mm Boost J640176 Low weight and compact Valve-Presta RVC (Smooth)

Shimano GRX FC RX610 1 Crankset 172.5mm 12 Speed 40t 110 BCD Hollowtech II Spindle Interface BLK MFPN=11A00276 Compatible with LINKGLIDE AND HG Length:110mm Boost J640176 Low weight and compact Valve Presta RVC (Smooth) Compatible with LINKGLIDE AND HG 11 speed chains Rings 36 22 Number of Chainrings Double Drivetrain Speeds 11 Chainring BCD 96 Shimano Asymmetric Chainline Hub Compatibility 141 148 Boost Hubs Color Black Crank Length (mm) 175 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Designed for ebike Yes Defined Color Black 2 TPI 60 Tire Bead Folding Tire Diameter 20" Tire Intended Use BMX Tire Type Clincher