Shimano Tiagra ST-R4020-LA Shift/Brake Lever BR-RS405 Front Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount BLK

The Shimano Tiagra ST-R4020 2x dual control shift/brake lever for Tiagra 11-speed drivetrain brings a refined design and advanced ergonomics from Shimano's renowned 105 series. Its updated lever position and bracket design developed through research on diverse hand shapes ensures comfort and control for road cyclists. The premium lever feel reliable stopping power of the BR-RS405 2-piston flat-mount ICE Technology compatible disc brake caliper and the smooth intuitive 2x shifting ensures precision and confidence for road cycling.Refined lever shape shortens the reach distance allowing riders with a wider range of hand sizes to comfortably access the leverFeatures Reach-Adjust for additional fit customizationTiagra ST-R4020 left 2x shifter is designed for use with the Tiagra 11-speed systemBR-RS405 2-piston flat mount low profile brake caliper provides consistent braking performance in all weather conditionsCaliper includes finned L05A-RF resin pads with ICE Technology that help to reduce heat build-up and brake fade when paired with a Shimano ICE Technology rotor (rotor sold separately)One Way bleeding for quick and easy prevention of air in the hydraulic system