SRAM, GX Eagle B2, Rear Derailleur, Speed: 12, Lunar
- Refined to work with both 10-52T and 10-50T cassettes
- Updated cage architecture provides better chain retention and precise shifts.
- SRAM Model ID: RD-GX-1-B2
SRAM, GX Eagle B2, Rear Derailleur, Speed: 12, Lunar
Sale price$134.99
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