Shimano GRX RD-RX400 10-Speed Rear Derailleur
$60.99
![BTD BTD](https://intheknowcycling.com/wp-content/themes/intheknowbiking/images/btd.png)
The Shimano GRX RD-RX400 10-speed rear derailleur keeps shifting silent and uninterrupted when riding on rough terrain.
$60.99
The Shimano GRX RD-RX400 10-speed rear derailleur keeps shifting silent and uninterrupted when riding on rough terrain.