Shimano GRX FC-RX810-1 Crankset - 170mm 11-Speed 42t 110 BCD Hollowtech II Spindle Interface BLK ModelNumber=2002 If you have an old

If you have an old Salomon boot with a blown-out zipper

Superzero RS (carbon & alloy)

pulleys and 3mm hex bit driver

this kit uses 6901 bearings which are non-angular Size 120Mm End Type Free/Free Color Silver

Shimano GRX FC-RX810-1 Crankset - 170mm 11-Speed 42t 110 BCD Hollowtech II Spindle Interface BLK ModelNumber=2002 If you have an oldThe Shimano GRX FC RX810 features optimum gearing for mixed terrain and riding styles and is designed for use with GRX Di2 components. Color Black Rings 42 Number of Chainrings Single Crank Length (mm) 170 Crank Intended Use Gravel Drivetrain Speeds 11 Weight 655 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black