Shifters
Shimano SW-M8250-IR
SW-M8250-IR · ISWM8250IRA
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Technical data
Specifications
- Weight
- 97 g
- Speeds
- 12-speed
- Compatible drivetrain families
- Shimano Di2 MTB/gravel 1x12
- Shift actuation
- Electronic
- Electronic shift system
- Shimano DI2 DN320
- Compatible electronic shift systems
- Shimano DI2 DN320
- Electronic connection
- Wireless
- Control style
- Flat Bar Trigger
- Included control sides
- Right
- 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
- Sep 25, 2026
- Compatibility review
- Reviewed Sep 25, 2026
Approved technical sources
- ISWM8250IRA exact current Shimano sale package
- set.shimano.co.jp/bc_catalog/mtb.pdfManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- SW-M8250-IR Shimano Di2 system compatibility
- productinfo.shimano.com/en/compatibility/C-473ManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- SW-M8250-IR official Shimano specifications
- productinfo.shimano.com/en/spec/mtb-di2-spec-shift-switchManufacturerSource checked Sep 25, 2026Evidence reviewed Sep 25, 2026