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 X9 Rear Deraileur

    * Stylish and Strong! A forged 6061 aluminum B-Knuckle 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 Pulley
    * Di.R.T: Direct Route Technology™
    * 1:1 Actuation Ratio™ Superior Shift Quality
    * Weight: Short 212g / Medium 227g / Long 230g