This is one serious shifter set. With smaller, sleeker hoods, the 11-speed compatible ST-9000 STI units deliver improved ergonomics for better rider comfort and control, with reduced lever stroke and lighter action.
SIS indexed shifting
Release lever stroke reduced by 30% compared to ST-7900
Polymer-coated cables for the smoothest shifting
Shifting effort up to 47% lower than RD-7900
43% less effort at the end of the lever stroke than FD-7900