SHIMANO
Shift/Brake Set Shimano Tiagra ST-4720/BR-4770 Left, 2-speed
Shift/Brake Set Shimano Tiagra ST-4720/BR-4770 Left, 2-speed
The Shimano TIAGRA ST-4720 + BR-4770 is a left-hand 2-speed Dual Control shift and hydraulic disc brake set designed for 2x10 road drivetrains. It combines an ergonomic STI lever with a powerful flat-mount brake caliper, delivering improved control and confident braking in all riding conditions.
One of the biggest updates in the Tiagra series is the introduction of hydraulic disc brakes with the BR-4770 caliper. The redesigned, slimmer levers provide enhanced grip and reduced lever travel. The one-way bleeding system makes maintenance quick and simple. The result is consistent braking performance and smooth front shifting for road and cyclocross applications.
- Application: Road / Cyclocross
- Group: Shimano Tiagra
- Model: ST-4720-L + BR-4770
- Type: Dual-Control (STI)
- Mount: Left
- Front speeds: 2-speed (2x10)
- Brake type: Hydraulic disc brake
- Brake caliper: BR-4770
- Mount type: Flat-Mount
- Brake pads: Resin
- Brake hose: SM-BH90-JK-SSR front 1000 mm (cuttable)
- One-way bleeding: Yes
- Brake fluid: Shimano mineral oil
- Recommended rotor: SM-RT70 (140/160 mm)
- Body material: CFRP
- Lever material: Aluminum
- Caliper material: Aluminum
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Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.