The SRAM X.9 Rear Derailleur features the same robust qualities and technologies as the X.0 system. If you are looking for greatness in a refined highperformance package then look no further, choose the X.9. Stylish and Strong! A forged 6061 aluminum BKnuckle improves stiffness while the X.9 styling exudes our commitment to quality. X.9 is now available in three cage sizes. World Cup Proven Composite Cage Outside Facing Limit Screws Intuitive Adjustment Sealed Bearing Upper P
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