Shifters
Shimano CUES ST-U6030 Shift/Brake Lever
Right · 11/10-speed rear shift/brake
Requires Companion Components
Individual right control requires the matching opposite-side shift/brake control.
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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Technical data
Specifications
- Speeds
- 11-speed
- Supported speeds
- 10-speed, 11-speed
- Compatible drivetrain families
- Shimano CUES mechanical 11-speed
- Shift actuation
- Mechanical
- Control style
- Drop Bar Integrated
- Brake control interface
- Hydraulic Mineral Oil
- Compatible brake hoses
- Sm-Bh59-Jk-Ssr, Sm-Bh90-J-Ssr, Sm-Bh90-Jk-Ssr
- Control clamp diameter
- 23.8 mm
- Included control sides
- Right
- Right control functions
- Brake, Rear 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
- Nov 1, 2026
- Compatibility review
- Reviewed Nov 1, 2026
Approved technical sources
- Current official Shimano ST-U6030-R 10/11-speed support
- productinfo.shimano.com/en/product/ST-U6030-RManufacturerSource checked Nov 1, 2026Evidence reviewed Nov 1, 2026
- Shimano CUES shift/brake lever specification
- productinfo.shimano.com/en/spec/lifestyle-active-shiftbrake-lever-hydraulic-disc-brake-drop-handlebar-typeManufacturerSource checked Jul 28, 2026Evidence reviewed Nov 1, 2026
- Shimano current component catalog package identity
- set.shimano.co.jp/bc_catalog/PDF-2/bg.pdfManufacturerSource checked Jul 28, 2026Evidence reviewed Nov 1, 2026
- Shimano hydraulic systems compatibility C-500
- productinfo.shimano.com/en/compatibility/C-500ManufacturerSource checked Jul 28, 2026Evidence reviewed Nov 1, 2026
- Shimano rear drivetrain compatibility C-454
- productinfo.shimano.com/en/compatibility/C-454ManufacturerSource checked Jul 28, 2026Evidence reviewed Nov 1, 2026