SRAM Force 22 11 Speed Rear Derailleur

Adopting all the technologies that provide the fastest, quietest shifting available, the new SRAM Force 22 Rear Derailleur has been designed with our Exact Actuation technologyfor precise, efficient shifting throughout the extended gear range.

We have given and even refining tooth geometry of the jockey wheel. The result is that the chain that runs smoother and quieter than ever before. With all the additional technologies weve managed to keep the weight the same, at well under 200 grams

SRAM call this True 22 because you can cross chain with their system you can run the chain on the larger chainring and the largest sprocket, and the smaller chainring and the smallest sprocket…whereas Shimano and Campagnolo tell you specifically not to do this. – Road CC