WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 559 Wheels and Hubs Shimano's extensive research into the

Shimano's extensive research into the relationship between tyre size

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WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 559 Wheels and Hubs Shimano's extensive research into theReplaceable derailleur hanger designed to upgrade or replace worn dropouts on your bike frame. Features a stiffer, more rigid construction that enhances shifting precision and responsiveness. Reduces play in the rear derailleur mounting point, delivering smoother gear changes and improved drivetrain performance. Compatible with model 559 specifications. Protects your frame by absorbing impact from drops and crashesreplace the hanger instead of