Di2 E Tube Electric Wire 900 Mm Black For Road And Mountain Bikes Upgrade Kit Get Clean Crisp Shifts With Contamination Resistant Stretch Free Wire Replacement For Electronic Gear Systems No Fuss Easy Maintenance

E Tube Di2 900mm Electric Wire for clean, precise shifts
✔️ 900 mm black E-tube wire, single-length, water resistant, easy fit

The EW-SD300 E-tube Di2 electric wire is a 900 mm black cable for Shimano Di2 electronic shifting on road and mountain bikes. It replaces traditional mechanical cables to help eliminate shifting issues caused by contamination, corrosion and stretching, delivering effortless, crisp gear changes. The wire uses a slim 3.45 mm plug and can connect to EW-SD50 wires via the EW-AD305 adapter; EW-SD300 wires are pre-cut to standard lengths, so you don't need to cut them.

✅ EW-SD300 E-tube electric wire, 900 mm length, black
✅ Slim 3.45 mm diameter plug for a tidy fit
✅ Connects to EW-SD50 wires via EW-AD305 adapter
✅ Water resistant connectors for reliable performance
✅ Pre-cut length to fit common road and mountain bike setups

💡 What is an E-tube electric wire used for in bike shifting?

Electric wires carry signals and power for electronic shifting systems. - Transmits shifting signals and power between shifters and derailleurs - Reduces maintenance by avoiding contamination-related issues seen with mechanical cables - Works with EW-SD300, EW-SD50 and EW-AD305 adapter for flexible setups ✝️