4-Pin USB Charging Cable 1.5M for Shimano 12-Speed Di2 Road Drivetrains EW-EC300 Compatible

This charging cable is compatible with Shimano EW‑EC300 electronic rear derailleurs and 12‑speed Di2 groupsets (including R9270, R9250, R8170, R8150, and R7170). Featuring a reinforced 4‑pin interface with built‑in overheat and short‑circuit protection, it ensures safe and stable charging while safeguarding your drivetrain. Supports standard 5V power sources (e.g., power banks) for emergency charging on the go, relieving battery anxiety. The abrasion‑resistant outer jacket and strengthened connectors resist stretching and tangling, staying secure after repeated use for lasting durability. Comes with a 1.5‑meter USB cable – plug‑and‑play for quick response in any emergency, so you never miss a ride.

• Broad Compatibility：Compatible with the Shimano EW‑EC300 electronic rear derailleur, perfectly matching 12‑speed Di2 including R9270, R9250, R8170, R8150, and R7170.
• Safe Stable：Reinforced 4‑pin interface design with built‑in overheat and short‑circuit protection ensures safe and stable charging, carefully protecting your drivetrain components.
• Perfect Charging Companion：Supports standard 5V power sources (e.g., power banks), allowing you to emergency charge EW‑EC300 Di2 components during rides and effectively relieve range anxiety.
• Durable Sturdy：Reinforced connectors and abrasion‑resistant outer jacket resist stretching and tangling. Remains secure after repeated plugging and unplugging, stays tight for long‑term use—accompanying you on every ride.
• What's Included：Comes with one 59‑inch / 1.5‑meter USB cable equipped with a 4‑pin interface. Plug‑and‑play, designed for emergency scenarios, and never fails you when it matters most.