SHIMANO Di2 RS910 Junction-A - 2-Port - Handlebar Port FBPost The S-curved shoulder harness is

The S-curved shoulder harness is contoured just right to fit a woman’s body and also delivers improved comfort and stability

Lightweight and Breathable Performance Cycling Shoe

Unique style

Bottom Bracket:  SRAM PowerSpline

SHIMANO Di2 RS910 Junction-A - 2-Port - Handlebar Port FBPost The S-curved shoulder harness isShimano Di2 Frame Junction Box Frame Junction Box connects via SD50 E tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com