SRAM XX1 Eagle 12 Speed Rear Derailleur product-type_rear-lights Castelli invented the category of

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SRAM XX1 Eagle 12 Speed Rear Derailleur product-type_rear-lights Castelli invented the category ofAbout SRAM XX1 Eagle 12 Speed Rear Derailleur Occupying a new realm in shifting performance, the redesigned XX1 Eagle derailleur gives no compromise racers and dream bike builders a true top tier option. The crisp, precise XX1 shifting feel athletes rely on now features an updated cage geometry for improved chain management. Occupying its rightful place at the top of the Eagle ecosystem, the XX1 Eagle rear derailleur makes full use of the new 10 52t