DESCRIPTION
The Shimano Tiagra RD-R4000 is an 11-speed rear derailleur built for 2x11 road drivetrains, delivering smooth and precise shifting.
- 11-speed road rear derailleur
- Designed for 2x11 Tiagra drivetrains
- SHIMANO SHADOW RD low-profile design for a tucked, quieter mechanism
- Compact, lightweight construction
- Genuine Shimano Tiagra-level component
PLU: 93362
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