Ideal for mid-level mountain and trekking bikes, the microSHIFT Mezzo 8/9-speed rear derailleur gives you updated aesthetics, durable construction, and a proven design for smooth, responsive shifting.
Features
Aluminum bracket body and outer link save weight
Steel pulley cage provides extra chain-rub durability
Compatible with Shimano 8- and 9-speed mountain systems
Maximum cog size of 36 teeth; derailleur capacity of 45 teeth