- Updated cage provides better chain retention and more precise shifts.
- Compatible with 10-50t and 10-52t cassettes.
- Speed: 12
- Maximum Cog: 52T
- Minimum Cog: 10T
- RD Capacity: 42T
00.7518.138.000 SRAM, X01 Eagle B2, Rear Derailleur, Speed: 12, Red
00.7518.138.001 SRAM, X01 Eagle B2, Rear Derailleur, Speed: 12, Lunar
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