Upgrade your road bike with the SRAM RD XO1 EAGLE LUNAR rear derailleur. 

This high-quality aluminum derailleur is designed with a long cage length and is compatible with 12-speed bikes. 

Its blue color adds a touch of style to your ride, while its hanger mounting type ensures easy installation. 

Ideal for road biking enthusiasts, this rear derailleur is the perfect replacement part for your bike.