Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=RTR046RPN32SSB1270 The lightweight synthetic upper is

The lightweight synthetic upper is quick to dry when wet

FSA Super Road Chainrings are designed to provide flawless shifting with minimal weight and unmatched durability

}Shimano GRX FC-RX610-2 Crankset - 170mm 12-Speed 46/30t 110/80 BCD Hollowtech II Spindle Interface Black

}SRAM X-Sync 2 Eagle Direct Mount Chainring - 30 Tooth 3mm Boost Offset 12-Speed Black

Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 50 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Material Aluminum Defined Color Black

Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket BLK MFPN=RTR046RPN32SSB1270 The lightweight synthetic upper isWheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket Black. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 42 BB Frame Interface BB30a BB Shell Width (mm) 73 Weight 119 Spindle Interface Type Shimano Hollowtech II Defined Color