Shimano EW90-A Di2 Cockpit Junction Box
Best reliable junction for integrating electronic shifting into a clean cockpit.
This central hub manages electronic shifting communication, ensuring seamless gear changes across the drivetrain. It requires synchronized firmware across all connected components to maintain optimal system performance and reliability.
$140.00
at
Bicycle Addiction
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Who it's for
- Riders building or upgrading a Shimano Di2 electronic shifting system.
- Enthusiasts seeking straightforward interaction with their electronic drivetrain.
- Cyclists prioritizing a clean, aerodynamic, and integrated bike aesthetic.
Who should skip it
- Builders with non-standard cockpits or specific aesthetic preferences.
- Riders frequently in harsh weather or seeking maximum component protection.
- Minimalists preferring fully integrated, hidden Di2 components within the frame.
Performance breakdown
System Integration
Seamlessly bridges electronic components for reliable, instantaneous gear shifts.
Firmware Accessibility
Simplifies the update process for maintaining peak drivetrain performance.
Cockpit Aesthetics
Low-profile design keeps your handlebar setup clean and uncluttered.
Installation Ease
Straightforward mounting hardware makes cockpit integration quick and intuitive.
Connection Reliability
Robust E-tube ports ensure stable communication between all electronic parts.
Component Compatibility
Limited to specific older Dura-Ace groupsets, restricting broader modern upgrades.
Key Specs
Part Type
Junction Box
Component Application Area
Cockpit
Compatibility
Dura-Ace Di2 9070
Ports
3-Port
Includes
Junction Box Band (CY9082), Junction Box Hook (CY9081)
Know before you buy
Still have a question?
Ask Metto anything about the Shimano EW90-A Di2 Cockpit Junction Box before you decide.
