Enhance your cycling experience with this high-quality Bike Rear Derailleur Hanger, expertly crafted from durable aluminum alloy using precise CNC machining. Designed to provide strength, corrosion resistance, and long-lasting performance, this accessory is essential for cyclists looking to improve their bike’s gear shifting smoothness and reliability. Key Features: · Premium Aluminum Alloy Construction: Made with sturdy, corrosion-resistant aluminum alloy and CNC machining for enhanced durability and a firm structure that withstands regular use. · Compatible with Multiple Flywheels: Specifically designed to lengthen the rear dial chain, suitable for mountain flywheels with 0T, 42T, 46T, and 50T highway flywheels, offering versatile compatibility. · Smooth Gear Shifting: Optimizes the flywheel speed change for smoother transitions, improving overall riding performance and comfort. · Easy Installation and Removal: User-friendly design allows for quick and hassle-free mounting or dismounting, saving time and effort during maintenance or upgrades. · Ideal for Cycling Enthusiasts: A perfect accessory for both casual riders and serious cyclists seeking to enhance their bike’s drivetrain efficiency and reliability. Specifications: · Material: Aluminum Alloy · Optional Colors: Red, Black, Blue · Total Length: Approx. 62 mm (2.44 inches) · Height: Approx. 23.5 mm (0.93 inches) · Thickness: Approx. 11.6 mm (0.46 inches) · Hole Distance: Approx. 40 mm (1.57 inches) · Weight: Approx. 31 g (including screw) Package Includes: · 1 x Bike Rear Derailleur Hanger · 1 x Screw Upgrade your bike with this precision-engineered rear derailleur hanger to enjoy enhanced gear shifting performance, reliable durability, and a smoother cycling experience.