Shifters
Shimano Shimano CUES SL-U4000-L Shifter
Left · 2-speed front shift · clamp · display
Requires companion components
Individual left shifter requires compatible brake and opposite-side controls.
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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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 29, 2026
- Compatibility review
- Reviewed Jul 29, 2026
Approved technical sources
- Shimano Lifestyle Active shift lever specificationsManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano current lifestyle component ordering catalogManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
- Shimano front drivetrain compatibility C-455ManufacturerSource checked Jul 29, 2026Evidence reviewed Jul 29, 2026
Technical data
Specifications
- Speeds
- 9-speed
- Supported speeds
- 9-speed
- Compatible drivetrain families
- Shimano CUES LINKGLIDE mechanical 1x9
- Front drivetrain groups
- Shimano Cues U4000 Flatbar 2x9
- Front speeds
- 2x
- Shift actuation
- Mechanical
- Control style
- Flat Bar Trigger
- Control clamp diameter
- 22.2 mm
- Included control sides
- Left
- Left control functions
- Front Shift