Shimano Dura-Ace Di2 ETube Junction-A for TT Handle SM-EW90-B Port X5

The Shimano Dura-Ace Di2 Junction-A for TT Handle SM-EW90-B E-Tube Port X5 is a high-quality electronic component designed for use with Shimano's Dura-Ace Di2 electronic shifting system. 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.

The SM-EW90-B junction box is made from durable materials and is designed to withstand the rigors of competitive cycling. It is also lightweight, weighing in at just 7 grams, which helps to minimize the overall weight of your bike. The compact design of the junction box allows it to be easily mounted on your time trial handlebars, ensuring that it is always within reach when you need it.

The Shimano Dura-Ace Di2 Junction-A for TT Handle SM-EW90-B E-Tube Port X5 is easy to install and can be integrated with other Di2 components using Shimano's E-tube software. This software allows you to customize your shifting preferences and adjust the settings of your Di2 system to suit your riding style and preferences.

Overall, the Shimano Dura-Ace Di2 Junction-A for TT Handle SM-EW90-B E-Tube Port X5 is an essential component for any serious time trial cyclist. Its high-quality construction, lightweight design, and easy integration with other Di2 components make it a must-have for anyone looking to take their cycling performance to the next level.