Shifters

Shimano ST-R9180-L

ST-R9180-L · ISTR9180L

Compatibility: reviewed
Known specifications can be used by the compatibility engine.

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Technical data

Specifications

Weight
99 g
Speeds
12-speed
Compatible drivetrain families
Shimano Di2 MTB 2x11, Shimano Di2 MTB/gravel 1x11, Shimano Di2 gravel 2x11, Shimano Di2 gravel 2x12, Shimano Di2 road 2x12
Shift actuation
Electronic
Electronic shift system
Shimano DI2 SD50
Compatible electronic shift systems
Shimano DI2 SD300, Shimano DI2 SD50
Electronic connection
Wired
Required installation items
1 × Shimano EW-AD305 conversion adapter · Connectivity · Maximum per system · For Shimano DI2 SD300
Control style
Drop Bar Integrated
Brake control interface
Hydraulic Mineral Oil
Compatible brake hoses
Sm-Bh90-Jk-Ss
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
Sep 25, 2026
Compatibility review
Reviewed Sep 25, 2026

Approved technical sources