microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black CheckoutSpec= 2-Piston Hydraulic and confidence for the rider

and confidence for the rider

Folding design saves space when not in use

Impact-resistant toe box Cleat Bolt Pattern 2-Bolt Closure Lace Gender/Age Men's Color Core Black/Red/FTWR White Shoe Size (US) 10 Defined Color Black Activity Cycling

X-Range gearing technology gives you more range and a smoother gear progression

microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black CheckoutSpec= 2-Piston Hydraulic and confidence for the riderR 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