Shimano GRX FC-RX810-1 Crankset - 170mm 11-Speed 40t 110 BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Full Speed Ahead BB-PF4002/MegaExo 19 Bottom Bracket - BB86 Color Black Ring Position/Type Chain

Shimano GRX FC RX810 1 Crankset 170mm 11 Speed 40t 110 BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Full Speed Ahead BB PF4002 MegaExo 19 Bottom Bracket BB86 Color Black Ring Position Type Chain Color Black Ring Position Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Oval Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Drivetrain Speeds 9 Chainring BCD Sram Direct Mount Offset 6 Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 150 157 DH Hubs Chainline Hub Compatibility 170 177 Hubs Material Aluminum Material Aluminum Defined Color Black Direct Mount Type Direct Mount SRAM }Zipp Headset Spacer Set UD Carbon (4mm x 2 8mm x 1 12mm x1 30mm x 1)