Shifters
Shimano Tiagra ST-4720 Shift/Brake Lever
Left · 2-speed front shift/brake
Requires Companion Components
Individual left control requires the matching opposite-side brake/shift control.
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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Technical data
Specifications
- Speeds
- 10-speed
- Supported speeds
- 10-speed
- Compatible drivetrain families
- Shimano Tiagra 4700 mechanical 10-speed
- Front drivetrain groups
- Shimano C455 Tiagra 2x10
- Front speeds
- 2x
- Shift actuation
- Mechanical
- Control style
- Drop Bar Integrated
- Brake control interface
- Hydraulic Mineral Oil
- Compatible brake hoses
- Sm-Bh90-J-Ssr, Sm-Bh90-Jk-Ssr
- Control clamp diameter
- 23.8 mm
- Included control sides
- Left
- Left control functions
- Brake, Front Shift
Catalog trust
Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Jul 28, 2026
- Compatibility review
- Reviewed Jul 28, 2026
Approved technical sources
- Shimano front drivetrain compatibility C-455
- productinfo.shimano.com/en/compatibility/C-455ManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
- Shimano hydraulic systems compatibility C-499
- productinfo.shimano.com/en/compatibility/C-499ManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
- Shimano package-code and label reference
- si.shimano.com/pdfs/compliance/pmi/Packaging%20Labelling%20Information_Italy_BC_20231016.pdfManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026
- Shimano road shift/brake lever specification
- productinfo.shimano.com/en/spec/road-shiftbrake-lever-hydraulic-disc-brakeManufacturerSource checked Jul 28, 2026Evidence reviewed Jul 28, 2026