Shimano Tiagra ST-4725 Hydraulic Shift/Brake Lever Kit Description:

The Shimano Tiagra ST-4725 hydraulic shift/brake lever reforms the all condition confidence and refined ergonomics of Tiagra for riders with smaller hands. These hydraulic disc brakes exhibit the quick and intuitive shifting cyclists expect from Shimano Tiagra.

Features:

• ST-4725 model offers greater control for riders with smaller hands
• Dual control lever: Mechanical shifter/Hydraulic Disc brake
• BR-4770 hydraulic disc brake caliper 
• 2-Piston caliper utilizes Shimano’s 1 way bleed technology

Specifications:

• Shifter Style: Lever (Road)
• Speed: 2 x 10 Speed
• Derailleur Compatibility: Shimano GRX 400, Tiagra 4700 (10 Speed)
• Shift Mechanism: Cable Actuated
• Adjustable Reach: Yes
• Brake Type: Hydraulic
• Brake Fluid: Mineral Oil
• Brake Mount: Flat Mount
• Brake Pads: Resin
• Hose Length: 1000mm (Left/Front), 1700mm (Right/Rear)
• Color: Grey
• Weight: 476g (Shifter & Caliper)

This product is expected to become available for purchase on Wednesday, January 21, 2026