Boîtier de Connexion 3 Ports SHIMANO Di2 EW-90A Drop Dedicated channels for the temples

Dedicated channels for the temples allow you to store your glasses safely and aerodynamically at the rear of the helmet

This chainring is intended for 11-speed cranksets Chorus

it ensures perfect control in a straight line and precise corner entry

The bearing balls are made of steel and offer great precision

Boîtier de Connexion 3 Ports SHIMANO Di2 EW-90A Drop Dedicated channels for the templesThis junction box is the very heart of any SHIMANO Di2 Dura Ace 9070, Ultegra 6870 and XTR drivetrain. It is through it that gear shift commands pass, and where settings are stored. It will find its place under the stem. It is a true computer, the brain of the system and therefore an essential component: we offer it to you in case of breakage or failure so you can enjoy your drivetrain without having to buy the entire system again! It features a