EW-SD300 E-Tube Di2 Electric Wire 850mm Black For Electronic Shifting System Replacement, Delivers Smooth, Precise Gear Shifts And Maintenance Free Performance On Road And Gravel Bikes For A No Fuss Street Ready Setup

850mm E-Tube Di2 replacement wire for precise shifts
✔️ 850mm black E-Tube wire with water-resistant connectors

An EW-SD300 E‑Tube Di2 electric wire replaces traditional cables, delivering smooth, maintenance-free shifting on road and gravel bikes. This 850 mm black wire is designed for tidy fitment and reliable performance across varied terrain.

✅ 850 mm length
✅ Black color
✅ E-Tube Di2 electric wire
✅ Fully removable individual cable system for fine tuning
✅ Compatible with EW-SD50 via EW-AD305 adapter
✅ 3.45 mm diameter plug
✅ Water-resistant connectors

💡 What is an E-Tube Di2 wiring harness and why pick this model?

It's a handy, low-maintenance wiring solution for clean, reliable shifting on road and gravel bikes.

• Sealed connections resist moisture and contaminants for long life
• Handy for tidy routing and easy field adjustments
• Works with EW-SD50 via EW-AD305 adapter for upgrade paths
• Maintenance-free performance in all riding conditions

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