Sram force 22 11 speed rear mechadopting all the technologies that provide the fastest quietest shifting available the new sram force 22 rear derailleur has been designed with sram exact actuation technology for precise efficient shifting throughout the extended gear range sram have created a refined tooth geometry of the jockey wheel the result is a chain that runs smoother and quieter than ever before with all the additional technologies sram managed to keep the weight the same at well