Shimano GRX ST-RX600 Mechanical Shift and Hydraulic Brake Lever Smith Optics Less gripping power is required

Less gripping power is required due to its conical shape

incorporating our best technical innovations in a comfortable

“chop” on initial hits

Do not use silicone softeners

Shimano GRX ST-RX600 Mechanical Shift and Hydraulic Brake Lever Smith Optics Less gripping power is requiredGRX ST RX600 Shifter Hydraulic Brake Lever ST RX600 Dual Control shift brake levers provide the same light shifting operation as top tier systems Anti slip lever design Reach adjust mechanism allows lever to be adjusted to suit any hand size, type of riding and individual rider preferences Adjustable Reach Yes Brake Lever Actuation Hydraulic Hydraulic Fluid Type Mineral Oil Includes Brake No Rear Der Shifter Compatibility Shimano Road Rotor Included