microSHIFT R8 Rear Derailleur, 8-Speed, Short Cage, Shimano Compatible, Black

R-series rear derailleurs are designed to work with 7, 8 ,9, and 10-speed Shimano-compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10. Not compatible with Shimano Tiagra 4700 road system Steel pulley cage for extra durability Short cage for double 28T setup Item Specifications Color Black Weight 225 Largest Cog 28 Chain Wrap Capacity 33 Cage Length Short Drivetrain Speeds 8 Drivetrain Speeds 9 Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard