
Shifters
Shimano SW-RS801-S
SW-RS801-S · ISWRS801S
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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Technical data
Specifications
- Speeds
- 12-speed
- Compatible drivetrain families
- Shimano Di2 MTB/gravel 1x12, Shimano Di2 gravel 2x12, Shimano Di2 road 2x12
- Shift actuation
- Electronic
- Electronic shift system
- Shimano DI2 SD300
- Compatible electronic shift systems
- Shimano DI2 DN320, Shimano DI2 SD300
- Electronic connection
- Wired
- Control style
- Bar End
- Control units
- 1
- Supported control sides
- Left, Right
- Control functions
- Front Shift, 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
- Aug 18, 2026
- Compatibility review
- Reviewed Aug 18, 2026
Approved technical sources
- ISWRS801S exact current Shimano sale package
- set.shimano.co.jp/bc_catalog/road.pdfManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- SW-RS801-S Shimano Di2 system compatibility
- productinfo.shimano.com/en/compatibility/C-473ManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- SW-RS801-S official Shimano specifications
- productinfo.shimano.com/en/spec/road-di2-spec-shift-switchManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026