SRAM XX1 Derailleur

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X-HORIZON technology ROLLER BEARING CLUTCH technology CAGE LOCK technology X-ACTUATION technology 12T X-SYNC pulley wheels Silent pulley tooth design Weight: 220 grams (approx.) SR AM Model ID: RD-XX-1-A2 Attributes RD Weight 220g Speed 11 Minimum Cog 10T Maximum Cog 42T Max Front Difference Single chainring only Cage Long Show more