Shimano Ultegra ST-R8020-L Shift/Brake Lever - Left Double Black Chainring BCD-144 The SRAM X5 crank arm

The SRAM X5 crank arm is engineered for 2x and 3x shifting performance

For a safer Journey

Mineral oil will not absorb water from the air

it employs an integrated seamless midsole and fiberglass-reinforced nylon sole to deliver a stiff and stable pedaling platform

43 inch internal dimension

Shimano Ultegra ST-R8020-L Shift/Brake Lever - Left Double Black Chainring BCD-144 The SRAM X5 crank armShimano Ultegra ST R8020 L Shift Brake Lever Left Double Black. The Ultegra ST R8020 series left shifter hydraulic disc brake levers bring greater rider control in all conditions. TECH SPECS Brake Lever Actuation Hydraulic Double or Triple Double Color Black Hydraulic Fluid Type Mineral Oil Brake Lever Use Left Adjustable Reach Yes Drivetrain Speeds 11 Weight 275 Front Der Shifter Compatibility Shimano Road