Enhance your bike's shifting performance with this precision-engineered Derailleur Hanger Extender, designed to deliver exceptional compatibility, durability, and adjustability. Crafted from high-quality AL6061 aluminum alloy for the main body and durable AL7075 aluminum alloy for the locking screw, this extender ensures long-lasting strength while remaining lightweight for optimal ride experience. Key Features: · Hollow Out Lightweight Design: Combines a sleek, attractive appearance with robust strength and durability, ensuring a long service life without adding unnecessary weight. · Enhanced Compatibility: Featuring a 28.9mm center distance, this extender is compatible with a wide range of chainrings, including mountain bike 40/42/46/50/52T and road bike 34/36/40/42T setups, providing versatile use across different bike types. · Optimal Size for Stability: With a total length of approximately 50.8mm, the extender strikes the perfect balance between compatibility and stability, avoiding issues caused by center distances that are too short or too long. · Upgraded Structure for Precision Adjustment: Improved design enables accurate fine-tuning and faster response times during gear shifts. The extended adjustment range eliminates limit position constraints, making setup easier and more precise. · Secure Locking Mechanism: The tail hook fitting surface features radial grooves to increase friction and prevent loosening caused by vibrations during riding. The locking screw, made from robust 7075 aluminum alloy, provides higher locking torque for enhanced stability and security. · High-Quality Materials: Constructed from aircraft-grade AL6061 aluminum for the body and AL7075 aluminum for the locking components, combining strength, durability, and lightweight features. Specifications: · Item Type: Derailleur Hanger Extender · Model: RA105 · Material: Main Body AL6061, Screw AL7075 · Center Distance: Approx. 28.9mm (1.1 inches) · Total Length: Approx. 50.8mm (2.0 inches) · Recommended Torque Value: 15-20 N·M · Quantity: 1 Piece · Available Colors: Black, Red (optional) Package Includes: · 1 x Derailleur Hanger Extender This Derailleur Hanger Extender delivers reliable performance and smooth shifting by improving derailleur alignment and enhancing gear response speed. Its durable, lightweight construction and precise adjustability make it an essential upgrade for cyclists seeking improved drivetrain efficiency and ride stability.