The KONA Rear Derailleur Dropout / Hanger is a durable and high-quality component designed for various types of bikes including hybrid, racing, trekking, mountain, and town bikes. Made from alloy, this part consists of a derailleur hanger, perfect for securely holding and guiding the rear derailleur of the bike. Ideal for cyclists looking to upgrade or replace their existing rear derailleur hanger, this component ensures smooth gear changes and reliable performance during rides.