Boîtier de Connexion 5 Ports SHIMANO Di2 EW-90A Pneu Rigide SIZES HEAD CIRCUMFERENCE S 50-56

SIZES HEAD CIRCUMFERENCE S 50-56 cm M 52-58 cm T 59-62 cm

Its Fast Rolling Compound rubber

is constructed using the in-mold process

With a reach of 70 mm and a drop of 128 mm

for versatile use

Boîtier de Connexion 5 Ports SHIMANO Di2 EW-90A Pneu Rigide SIZES HEAD CIRCUMFERENCE S 50-56This junction box is the very heart of any drivetrain SHIMANO Di2 Dura Ace and Ultegra. It is indeed through it that gear shift commands pass, and where settings are stored. It will find its place under the stem. The true brain of the system, this spare part will allow you to enjoy your drivetrain without buying the entire system again: essential in the event of breakage or failure. In this version, this junction box features a battery charge