REAR DERAILLEUR SRAM XO MEDIUM CAGE 10S.

SRAM Exact Actuation for precise and dependable 10- speed performance. New Chassis - focused design for all conditions and usage. 190 grams - Super light weight and durable. Medium cage for 2X10. Outer Cage: Carbon Fiber Composite. Compatibility: 10-speed only; 36 tooth. Inner Cage: Forged Aluminum. Bearings: Sealed Bearings. Pulleys: Sealed Bearing pulleys. Technology: Exact Actuation Ratio (When we launched our road technology from scratch we reapplied our MTB proven SRAM 1:1 actuation ratio (shifter cable travel : derailleur movement) for 10 speed rear shifting. EA helps to simplify/stabilize the uneasy act of balancing rear derailleur hanger design, tight cog spacing and exact cable tension. The result: the easiest index shifting system to set up and it stays that way.). Direct Route Technology (Here's the dirt on middlemen: they suck. That's why Direct