Shimano GRX FC-RX600-11 Crankset - 165mm 11-Speed 46/30t 110/80 BCD Hollowtech II Spindle Interface BLK CheckoutSpec= 165/190 x 37.5-45mm There are five different models

There are five different models which allow different volumes of airflow

}Wera 8740 B HF 1 Zyklop bit socket set with holding function - 3/8" drive 7 pieces

and therefore the epoxy penetrates and bonds extremely well the core

Improved bottom out performance

Shimano GRX FC-RX600-11 Crankset - 165mm 11-Speed 46/30t 110/80 BCD Hollowtech II Spindle Interface BLK CheckoutSpec= 165/190 x 37.5-45mm There are five different modelsThe Shimano GRX FC RX600 crankset offers optimum gearing for mixed terrains and riding styles. Color Black Rings 46 30 Number of Chainrings Double Crank Length (mm) 165 Crank Intended Use Gravel Drivetrain Speeds 11 Weight 816 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 80 Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black Size 165Mm Chainring Bcd 46 30T 110 80BCD