The Shimano Tiagra R4720 Dual Control Levers bring the all-conditions confidence of hydraulic disc brakes and refined ergonomics to the quick and intuitive shifting cyclists expect from Shimano Tiagra. The Shimano Tiagra BR-4770 hydraulic disc brake caliper offers greater rider control in all conditions. With convenient one-way bleeding and easy hose joint system, installation and adjustment are simple.

– Smaller lever size and new positioning improves ergonomics for riders with smaller hands
– Smooth and effortless operation
– Redesigned internal shifting unit
– Greater confidence and control for riders with smaller hands in all conditions
– Quick and intuitive rear shifting operation
– Same level of shifting operation as high-end road groupsets
– Integrated hydraulic brake and shifting lever
– Convenient tool access
– Easy and clean bleeding system
– Simple set up and maintenance