UNBELIEVABLE PERFORMANCE
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.
FEATURES:
12-speed
SHIMANO SHADOW RD+ Chain Stabilization
Max cassette range: 45T/51T
Interchangeable, replaceable GS/SGS derailleur cage
JPY 
Euros
British Pounds
Australia Dollars
US Dollars
Canada Dollars
Chinese Yuan
Singapore Dollar
Hong Kong Dollar
