Shimano Tiagra Front Road Hydraulic Disc Brake Kit 2-Speed

The Shimano Tiagra ST-4720 hydraulic disc brake kit with BR-4770 calliper is the front version for road and cyclocross bikes with a 2x10-speed drivetrain. It combines a brake lever and shifter in a single unit.

• Hydraulic disc braking with a Flatmount calliper with 2 resin pistons
• ST-4720 dual-control lever: brake and shift through 10 speeds without moving your hands away
• L03A Ice Tec organic brake pads with cooling fins to dissipate heat
• Ready to fit: calliper with brake pads, 160 mm rotor adapter and 1000 mm hose
• Compatible only with Tiagra components from the 4700, 4703, 4720 and 4725 series, double chainring

Technical specifications

• Model: Shimano Tiagra ST-4720 with BR-4770 calliper (front)
• Intended use: Road, cyclocross
• Compatibility: 10-speed, double chainring; only Tiagra components from the 4700, 4703, 4720 and 4725 series
• Brake: Hydraulic disc, BR-4770 Flatmount calliper, 2 resin pistons
• Materials: Aluminium, steel, composite
• Brake oil: Shimano mineral oil
• Brake pads: L03A Ice Tec with cooling fins, organic
• Weight: Levers approx. 620 g (pair); calliper approx. 149 g (each)
• Hose: 1000 mm
• Rotor adapter: 160 mm

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.