MicroShift Rear Derailleur - R8 RD-R32 - 2 x 7/8 Speed - Short Cage - 11-28T(7s) 25T(8s) (Shimano Road)

 R8 uses the same kinematics as R9 and R10, but features a construction of steel and composite for great reliability.

Product Specifications:
Compact road derailleur kinematics
Reinforced joints for improved lateral stiffness