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2010 Sram X.9 Rear Derailleur 9 Speed The 2010 Sram X.9 Rear Derailleur is stylish and strong. A Forged aluminum B-Knuckle improves stiffness while the X.9 styling exudes Srams commitment to quality. You've got plenty to worry about flying down the trail. Use the 2010 Sram X.9 Rear Derailleur, and that list gets a lot shorter. Durability is assured thanks to high-quality materials and a perfect finish, keeping your mind on the ride.
Long or Medium Cage?
The long cage is for riders who are running a triple-ring up front and the medium cage is for the rider using a double-ring up front. |
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