Adopting all the technologies that provide the fastest, quietest shifting available, the SRAM Force 22 Rear Derailleur delivers. The Force 22 has been designed with Exact Actuation technology for precise, efficient shifting throughout the extended gear range. SRAM refined the tooth geometry of the jockey wheel for a smoother and quieter running chain than ever before. SRAM integrated many different technologies in the Force 22 rear derailleur to deliver unprecedented performance, under 200 grams.FeaturesExact Actuation shifting provides fast, accurate shifts.More clearance with 28t cassettes thanks to a longer B-knuckle.Silent shifting with optimized Aeroglide Pulleys.Spring-fixed barrel adjuster.Chain pulley cage adds precise chain management.WiFli compatibleSpecificationsColor: BlackWeight: 178gCassette Spacing: 11-SpeedCapacity: 28TMax. Cog: 28TCage Length: ShortNew, Never Used, OEM, This item is exactly as pictured and does not include retail packaging.SRAM