Shimano grx, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.Features:Grx hydraulic disc brake Di2 sti's give you control, modulation and power with minimal effort in all riding conditionsHigher brake lever Axis and curved brake lever,improves grip and confidence on choppy surfaces and descentsRaised hood head prevents hand misalignment and slippageRecessed finger notch prevents upward slippingAnti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides11-speed e-tube Di2 compatibleLeft hand 2-speed leverWeight: 373 g (pair)