* 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