Keep your GRX rear derailleur shifting smoothly with this genuine Shimano pulley set.
Compatible with RD-RX825 and RD-RX820 models, this replacement includes two pulley wheels—the guide and tension pulleys that wear over time. Regular replacement maintains crisp, reliable gear changes and extends your derailleur's lifespan. Trust authentic Shimano parts for consistent performance on any terrain.
Compatibility
- GRX Di2 RD-RX825
- GRX RD-RX820
Contents
- 1 Set - Each set consists of 1 tension pulley and 1 derailleur pulley
