Shimano Dura-Ace Di2 Junction A 5 Port (SM-EW90)

Shimano Dura-Ace Di2 Junction A 5 Port (SM-EW90)Shimano SM EW90A Electric Wire Junction box. The Shimano E Tube Cockpit Junction Box works with the Dura Ace Di2 9070 groupset to enable supplemental shifting positions so that the ease of electronic shifting is always at your fingertips, no matter what hand position you favor. The E Tube mounts just below your handlebars and functions as a junction box so that no additional wiring is needed to add a second set of shifters to your bars. Now you can

food and extra clothing

Ergonomic shape is designed to fit the natural contour of the hand

Completely Adjustable

Hub: Front GW RRB | Rear GW RRB

tall retention tab at the top and thicker carbon material

When paired with compatible sensors

Velocity mesh is also known for its aerodynamic properties

The black option includes In-R-Cool material

Minimal heel and toe seams

it's just made out of different stuff

or outdoor adventure

The CenterLine X rotor features a two-piece design with an alloy center and steel brake track