From Extreme Freeriding to the rigors of World Cup XC, the X.0 Rear Derailleur performs with distinction. SRAM's superior 11 actuation ratio paired with a supertough carbon and aluminum cage design results in durability and performance. Compatible with 7, 8, and 9speed systems 11 shiftertoderailleur actuation ratio for precise lightaction indexing Replaceable 11tooth pulleys with sealedcartridge bearings Carbon composite and aluminum pulley cage Cage Length Medium
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