Derailleur Hanger Extender, Bike Tail Hook Extension Extender Bike Frame Gear Tail Hook Extender Rear Derailleur Extension for 40T 42T 46T 50T 52T Mountain Bike(Black)

• Amplify Cassette Speed: A rear derailleur hanger that amplifies cassette speed allows for smoother shifting, enhancing the overall cycling experience. With this accessory, you can easily replace and install hangers, enabling smoother tension and speed adjustments, resulting in an easier and more enjoyable ride.
• Improve Climbing Ability: The bike tail hook extender, when used with the rear derailleur hanger, relieves spring tension and enhances the climbing ability of the bike. By improving the bike's performance, it allows for better uphill riding experiences. Additionally, it can directly replace old parts with higher strength, further enhancing climbing capabilities.
• Aluminum Alloy Material: The rear derailleur hanger is constructed from aluminum alloy material, which undergoes CNC precision machining. This material choice ensures high hardness, wear resistance, and durability. It is designed to withstand long-term use without easily getting damaged, eliminating the need for frequent replacements.
• Wide Scope of Application: The rear derailleur hanger is compatible with various flywheel expansion schemes, such as mountain bike options like 40/42/46/50/52T and road bike options like 34/36/40/42T. This versatility allows cyclists to use the hanger across different bike types and configurations.
• Quality Assurance: The rear derailleur hanger undergoes strict quality control standards, ensuring good stability and excellent performance. With a high safety factor, it provides peace of mind to cyclists, knowing that they can rely on its durability and functionality during their rides.

Specification: Item Type: Bike Rear Derailleur Hanger Material: Aluminum Alloy Weight: Approx.13g/0.5oz Applicable: Compatible with Mountain Bike 40 42 46 50 52T, Etc., Road Bike 34 36 40 42T and Other Flywheel Extensions Package List: 1 x Bike Rear Derailleur Hanger 1 x Screw