Upgrade your cycling experience with the Trek Madone Gen3 Rear Derailleur Hanger. This high-quality rear derailleur hanger is an original equipment replacement that is specifically designed for the Trek Madone Gen3 bike. Made with durable materials, this rear derailleur hanger ensures a secure and smooth shifting performance for your bike. Easy to install and compatible with the Trek Madone Gen3 model, this rear derailleur hanger is a must-have for any cyclist looking to enhance their cycling capabilities. Don't let a worn-out or damaged derailleur hanger slow you down - get the Trek Madone Gen3 Rear Derailleur Hanger today and keep your bike running smoothly on every ride.