SRAM GX Eagle Lunar 12 Speed Rear Derailleur

The SRAM GX Eagle Lunar 12-Speed Rear Derailleur is built to deliver smooth and consistent gear changes, even under heavy climbing loads or high-speed race conditions. Engineered for durability and precision, it ensures seamless shifting performance on any terrain.

Updated Cage Architecture for Improved Chain Management: Featuring a refined cage design, this derailleur enhances chain retention and stability. The improved architecture minimizes chain slap and derailment, providing a more controlled and quiet riding experience.

Compatible with Multiple Cassette Ranges: Designed to work with both the 10-50t and new 10-52t Eagle cassettes, this derailleur offers backward compatibility for added versatility. Whether upgrading or maintaining an existing setup, riders have the flexibility to choose their ideal gearing.

Eagle Colorsystem for a Custom Look: Finished in the GX Eagle signature colorway, this derailleur seamlessly matches all Eagle cassette and chain colors. Whether opting for Black, Gold, Rainbow, HardChrome, or the new Copper finish, it complements any drivetrain setup.

Designed for Performance and Durability: Built to handle the demands of aggressive riding, the GX Eagle Lunar derailleur provides crisp, reliable shifting across the entire cassette range.

Whether climbing steep trails or sprinting to the finish, it delivers the confidence and efficiency riders need.

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.