Derailleur Hanger 453 is a precision-engineered component designed to protect your Boardman bike frame while ensuring smooth and reliable gear changes. Also known as a mech hanger, boardman gear hanger, or mech dropout, a derailleur hanger is a small metal piece attached to the rear frame of your bike. Its main purpose is to absorb impact
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Perfectly sized, reasonably priced and quickly delivered 😊👍