Front derailleurs
Shimano FD-RX815-F
FD-RX815-F · IFDRX815F
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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Technical data
Specifications
- Speeds
- 11-speed
- Compatible drivetrain families
- Shimano Di2 gravel 2x11
- Compatible chain families
- LINKGLIDE, HG 11-speed
- Front speeds
- 2x
- Shift actuation
- Electronic
- Electronic shift system
- Shimano DI2 SD50
- Compatible electronic shift systems
- Shimano DI2 SD50
- Electronic connection
- Wired
- Front derailleur mount
- Braze On
- Minimum outer chainring
- 46T
- Maximum outer chainring
- 48T
- Total capacity
- 17T
- Minimum chainstay angle
- 61°
- Maximum chainstay angle
- 66°
- Chainline
- 47 mm
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
- FD-RX815-F Shimano Di2 system compatibility
- productinfo.shimano.com/en/compatibility/C-473ManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- FD-RX815-F official Shimano specifications
- productinfo.shimano.com/en/spec/gravel-di2-spec-front-derailleurManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026
- IFDRX815F exact current Shimano sale package
- set.shimano.co.jp/bc_catalog/gravel.pdfManufacturerSource checked Aug 18, 2026Evidence reviewed Aug 18, 2026