Bike Rear Derailleur Hanger Aluminum Bike Gear Tail Hook Extender For 40T 42T 46

Feature: \n 1. Quality Material: This bike rear derailleur hanger is made of high grade aluminum alloy with excellent CNC technology, strong, rust proof and durable.\n2. Rational Design: Bike gear tail hook extender helps improve the overall performance of your bike and allows you to directly replace old parts for higher strength.\n3. Easy Installation: Aluminum rear derailleur hanger allows easy replacement and installation of hangers for smoother tension and speed adjustment.\n4. Quality Assurance: Rear derailleur extender has strict quality control standards, good stability, excellent performance, high safety factor and peace of mind for use.\n5. Applicable: Bike tail hook extender is suitable for 40T 42T 46T 50T mountain steering wheel or 32T 36T road steering wheel, longer steering wheel for more stable shifting. \n\nSpecification: \n\nItem Type: Bike Rear Derailleur Hanger\nMaterial: Aluminum Alloy\nApplicable: 40T 42T 46T 50T Mountain Flywheel or 32T 36T Road Fl: