Shimano GRX RD-RX822 1x 12-Speed Rear Derailleur
$126.99
The Shimano GRX RD-RX822 12-Speed Rear Derailleur is a 1x workhorse designed to push you to victory or just over the next hill. Featuring hot-swappable cages for crisper shifting or wider range depending on your preferences this derailleur is ready for anything even if you change your mind later.