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 sti's give you control, modulation and power with minimal effort in all riding conditionsRaised hood head prevents hand misalignment and slippageAnti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long ridesLeft hand 2-speed leverWeight: 306 g