Bnineteenteam Mountain Bike Road Bicycle Rear Derailleur Hanger Extension Extender Frame Gear Tail Hook Extender (Black)

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Bnineteenteam Mountain Bike Road Bicycle Rear Features

• [QUALITY ALUMINUM ALLOY]: The bike rear derailleur is made of quality aluminum alloy with CNC machining, sturdy and firm, durable and corrosion-resistant.

• [LENGTHEN THE REAR DIAL CHAIN]: The bike rear derailleur is used to lengthen the rear dial chain, and apply to mountain flywheel 0T/ 42T/ 46T/ 50T highway flywheel.

• [SPEED CHANGE SMOOTHLY]: The bike rear derailleur makes the flywheel speed change more smoothly.

• [EASY TO INSTALL]: The bike rear derailleur is easy to install and remove.

• [GREAT ACCESSORY]: The bike rear derailleur is a great accessory for cycling enthusiasts.

About Bnineteenteam Mountain Bike Road Bicycle Rear

Features: [QUALITY ALUMINUM ALLOY]: The bike rear derailleur is made of quality aluminum alloy with CNC machining, sturdy and firm, durable and corrosion-resistant. [LENGTHEN THE REAR DIAL CHAIN]: The bike rear derailleur is used to lengthen the rear dial chain, and apply to mountain flywheel 0T/ 42T/ 46T/ 50T highway flywheel. [SPEED CHANGE SMOOTHLY]: The bike rear derailleur makes the flywheel speed change more smoothly. [EASY TO INSTALL]:  The bike rear derailleur is easy to install and remove. [GREAT ACCESSORY]:  The bike rear derailleur is a great accessory for cycling enthusiasts. Specifications: Material: Aluminum Alloy Optional Color: Red, Black, Blue Total Length: Approx. 62 mm/ 2.44 inch Height: Approx. 23.5 mm/ 0.93 inch Thickness: Approx. 11.6 mm/ 0.46 inch Hole Distance: Approx. 40 mm/ 1.57 inch Weight: Approx. 31 g (Included screw) Packing List: 1 * Bike Rear Derailleur Hanger 1 * Screw