Shimano GRX FC-RX610-1 Crankset - 172.5mm 12-Speed 40t 110 BCD Hollowtech II Spindle Interface BLK MFPN=45001120119 For the rider who wants

For the rider who wants to protect the toptube region of their frame

Dynamic:UHP compound improves grip

soft rubber compound powered by Graphene + Silica to offer\nspeed and grip without compromise

The Dura-Ace BR-R9270 caliper drops weight while also providing increased pad clearance ensuring a quieter ride

Thread Pitch 9 x 26

Shimano GRX FC-RX610-1 Crankset - 172.5mm 12-Speed 40t 110 BCD Hollowtech II Spindle Interface BLK MFPN=45001120119 For the rider who wantsShimano GRX FC RX610 1 Crankset 172. 5mm 12 Speed 40t 110 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 40 Number of Chainrings Single Crank Length (mm) 172. 5 Crank Intended Use Gravel Drivetrain Speeds 12 Weight 812 BB Included No Pedal Spindle 9 16" Spindle