SHIMANO Di2 M-EW90-A JUNCTION 3 PORT Bottom Bracket & Pedals Tools Shortenable hook and loop fasteners

Shortenable hook and loop fasteners

Chainring and Bottom bracket DUB not included

Valve: Reversible head - Presta and Schrader

Reversible for additional clearance

The neck pillow is specially adapted to be attached to the safety harness of the bicycle seats

SHIMANO Di2 M-EW90-A JUNCTION 3 PORT Bottom Bracket & Pedals Tools Shortenable hook and loop fastenersThe Shimano Di2 SM EW90 A Junction Box is a three port hub designed for cockpit mounted electronic shifting systems. This compact junction allows seamless integration of multiple Di2 components in the handlebar area, distributing power and signals efficiently across your drivetrain controls. Perfect for riders building custom cockpit setups, the SM EW90 A supports clean cable routing and reliable connections between your shifters, front derailleur,