Premium XP Rear Derailleur Hanger Kit - Compatible with Multiple Bike Models - Durable Aluminum Alloy Replacement Part for Mountain & Road Bikes - Perfect for Cycling Repairs and Maintenance

Superior XP Rear Derailleur Hanger Kit

Drop outs (derailleur hangers) are a sacrificial component of your bike, designed to bend or break in the event of an accident - saving your frame from being damaged. Always have a spare, as the bike is un-rideable without one.