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eBay£249.99Visit shop SRAM XX1 Eagle Rear Derailleur 12 Speed 52T Lunar MTB 00.7518.139.000
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The SRAM XX1 Eagle Rear Derailleur is designed for elite mountain bikers and racers who demand precise, high-performance shifting across the most challenging terrain. As the pinnacle of the 12-speed Eagle ecosystem, it offers an expansive 520% gear range and superior chain management, though it requires precise setup and specific component compatibility to perform at its peak potential.
| Model Part Number | RD8139000 |
|---|---|
| Brand | SRAM |
No, this is specifically designed for the SRAM Eagle 12-speed ecosystem.
Yes, it is fully compatible with both 10-50t and 10-52t cassettes.
Inspect for debris after every ride and perform a full tune-up of pivot points and pulley wheels every 50 to 100 hours of riding.
No, shift cables and housing are sold separately.
The Lunar finish is primarily an aesthetic choice designed to match the professional build kits within the SRAM XX1 range.
Check your B-Gap adjustment and verify that the shift cable housing is not kinked or contaminated.
Verify the limit screws are properly set and ensure the derailleur hanger is perfectly straight using a hanger alignment gauge.
To ensure peak performance, follow these guidelines:
