SHIMANO Di2 SM-EW90-B JUNCTION 5 PORTS new_product Apart from the main compartment

Apart from the main compartment

Top tube diameter: 38 - 52 mm

Steel Narrow Wide 38T Chainring

The DMR V8 pedal is built around our classic flat pedal body

The Rebound Knob pulls out to reveal a 3mm hex wrench that can adjust both High Speed Compression and Hydraulic Bottom Out

SHIMANO Di2 SM-EW90-B JUNCTION 5 PORTS new_product Apart from the main compartmentThe Shimano SM EW90 B E TUBE Di2 Junction A is a five port hub designed for cockpit area wiring in electronic groupset systems. This compact junction consolidates multiple Di2 cables, reducing clutter and simplifying cable management on your handlebars and stem. Compatible with Shimano's E TUBE ecosystem, it enables flexible routing of shifters, front and rear derailleurs, and auxiliary components. Ideal for custom builds or systems requiring multiple