
Junction-A, SM-EW90-B, Dura-Ace Di2, FOR TT-Handle Spec
This junction box is specifically designed for use with time trial handlebars, and features five E-tube ports for easy integration with other Di2 components.
This junction box is specifically designed for use with time trial handlebars, and features five E-tube ports for easy integration with other Di2 components.
Description
This junction box is specifically designed for use with time trial handlebars, and features five E-tube ports for easy integration with other Di2 components.





















