Rear derailleurs
Shimano Tiagra RD-R4000 Rear Derailleur
Mechanical 2x11 · 11-36T
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
Retailer offers
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Technical data
Specifications
- Speeds
- 11-speed
- Supported speeds
- 11-speed
- Maximum cassette cog
- 36T
- Smallest cassette cog
- 11T
- Supported cassette combinations
- 11-36t
- Supported front chainrings
- 2
- Maximum front difference
- 16T
- Drivetrain family
- Shimano Tiagra R4000 mechanical 11-speed
- Compatible chain families
- Shimano LINKGLIDE / HG 11-speed
- Shift actuation
- Mechanical
- Frame mounting
- Conventional hanger
- Total capacity
- 41T
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 13, 2026
- Compatibility review
- Reviewed Aug 13, 2026
Approved technical sources
- Shimano 2026-2027 component line-up chart
- productinfo.shimano.com/pdfs/product/thisyear/2026-2027_Line-up_chart_v022_en.pdfManufacturerSource checked Jul 29, 2026Evidence reviewed Aug 13, 2026
- Shimano current road component ordering catalog
- set.shimano.co.jp/bc_catalog/road.pdfManufacturerSource checked Jul 29, 2026Evidence reviewed Aug 13, 2026
- Shimano rear drivetrain compatibility C-454
- productinfo.shimano.com/en/compatibility/C-454ManufacturerSource checked Jul 29, 2026Evidence reviewed Aug 13, 2026
- Shimano road rear derailleur specifications
- productinfo.shimano.com/en/spec/road-rear-derailleurManufacturerSource checked Jul 31, 2026Evidence reviewed Aug 13, 2026