Bike Rear Derailleur Hanger, Bicycle Bike Rear Derailleur Hanger Extension Frame Gear Tail Hook Extender Components Lindarets GoatLink Direct Mount Rear Derailleur Rear Derailleur Bracket Axle - Unibell, BELLl0408WJ-792

• STURDY & DURABLE: Made of quality aluminum alloy with CNC machining, sturdy and firm, durable. The bike rear derailleur is a great accessory for cycling enthusiasts. For 0T/42T/46T/50T: It is used to lengthen the rear dial chain, and apply to mountain flywheel 0T/ 42T/ 46T/ 50T highway flywheel. Using this helpful hanger extender, making the flywheel speed change more smoothly. GREAT PERFORMANCE: Make the flywheel speed change more smoothly. Bicycle Rear Derailleur Extension is used to lengthen the rear dial chain, and apply to mountain flywheel 0T/ 42T/ 46T/ 50T highway flywheel. GOOD ITEM: Easy to install and remove. The bike rear derailleur makes the flywheel speed change more smoothly. The bike rear derailleur is easy to install and remove. GREAT ACCESSORY FOR CYCLING ENTHUSIASTS: hanger extender is easy to install and remove, really a great accessory for cycling enthusiasts.