SRAM Level Ultimate Carbon Lever Blade Assembly Includes Pivot Pin Pivot Bushings MFPN=SCH020232N0100 the drive side cup is

the drive side cup is left-hand thread and the non-drive side cup is right-hand thread

}Surly Ultra New Rear Hub - Threaded x 130mm Rim Brake Fixed/Free Silver 32H

Tooth Count 19 Cassette Body Type Shimano 7 Speed Material Steel Drivetrain Speeds Single Speed 3/32"

}SRAM X-Sync 2 Eagle Direct Mount Oval Chainring - 32 Tooth 3mm Boost Offset 12-Speed Black

material aluminum gauge 14g length 12mm color silver package 100/count

SRAM Level Ultimate Carbon Lever Blade Assembly Includes Pivot Pin Pivot Bushings MFPN=SCH020232N0100 the drive side cup isSRAM Level Ultimate Carbon Lever Blade Assembly Includes Pivot Pin and Pivot Bushings. Replacement lever blades for various models of SRAM brake levers.