microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black Number of Compartments-3 Composite Matrix construction

Composite Matrix construction

Schwalbe's first true cargo tire

Extra tall length for comfort and stability

17 high tensile steel tools

No hesitation

microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black Number of Compartments-3 Composite Matrix constructionR 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. Steel pulley cage for extra durability Not compatible with Shimano Tiagra 4700 road system Largest Cog 28 Color Black Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain