2Nd Gen E Tube Di2 Wire EW SD300 1400mm Pro Grade Replacement Cable For Electronic Shifting Works With Ultegra R8150 R8170 105 R7150 R7170 And Dura Ace R9150 R9170

2nd Gen Di2 EW-SD300 eTube Wire for 12-Speed Shifting
✔️ 1200-1600 mm total length (47-63 in), plus 150 mm (5.9 in)

This Di2 eTube wire is a replacement cable designed for 12-speed Di2 systems and compatible with 105 R7150/R7170, Ultegra R8150/R8170, and Dura-Ace R9150/R9170. It supports internal routing for a clean, professional install and helps maintain reliable shifting across the groups.

✅ 12-speed Di2 compatibility across 105, Ultegra, and Dura-Ace
✅ Internal routing for tidy frame integration
✅ Length range 1200-1600 mm with 150 mm extra
✅ Black color with pro-grade build

💡 What is a Di2 eTube wire used for in a 12-speed system? This handy replacement wire powers electronic shifting across compatible groups and frames. - Which components it connects: Di2 main unit to derailleurs and battery - Ideal routing: internal routing for clean installations - Length selection: 1200-1600 mm with 150 mm extra for routing

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