Shimano Tiagra BR-4770 Hydraulic Disc Brake Caliper BN3TH Low profile custom-tuned EVA midsole

Low profile custom-tuned EVA midsole for improved pedal grip and feel

Evolve™ bio-based frame material is lightweight and durable

All MAGURA brakes use low viscosity mineral oil (Royal Blood) as hydraulic medium

Re-designed pivot with optional foot assist

Shimano Tiagra BR-4770 Hydraulic Disc Brake Caliper BN3TH Low profile custom-tuned EVA midsoleThe Shimano BR 4770 disc brake caliper offers greater rider control in all conditions. With convenient One Way Bleeding and an easy hose joint system, installation and adjustments are simple Greater rider control and confidence in all conditions Simple set up and maintenance Easy and clean bleeding system Simple wheel replacement Convenient tool access 2 piston caliper Pad Compound: Resin Hydraulic Fluid Type: Mineral Oil Brake Lever Actuation: