The Shimano Tiagra ST-4720 hydraulic shift/brake lever brings the all condition confidence and refined ergonomics of hydraulic disc brakes to the quick and intuitive shifting cyclists expect from Shimano Tiagra.

• ST-4720 offers greater reach adjust range allows for better rider comfort and control in all conditions
• Dual control lever includes reach adjust mechanism
• BR-4770 hydraulic disc brake caliper offers greater rider control in all conditions
• 2 piston caliper features Shimano's One Way Bleeding technology for simple maintenance