USB-C/Type-C Bike Charger Adapter for Shimano Di2 EW-EC300, Dura-Ace R9250, Ultegra R8150

1. Specifically designed for Shimano 12-speed electronic shifting systems and power meters using the EW-EC300 charger port. Fully compatible with Dura-Ace R9250, Ultegra R8150, and 105 R7150 rear derailleurs and power cranks.
2. Features a standard Type-C female port, allowing you to charge your bike using any everyday USB-C cable. Say goodbye to bulky proprietary cables—easily power up with a wall charger, laptop, or portable power bank during long outdoor rides.
3. Engineered with high-conductivity copper contacts and premium metal spring pins, ensuring rapid energy transmission, tight magnetic/pin fit, and long-lasting durability through thousands of plug-in cycles.
4. Weighing only 9g with compact dimensions, this nylon-crafted adapter takes zero space in your saddle bag or jersey pocket. Comes with a complimentary lanyard to hang on your keychain or bike pack for anti-loss convenience.
5. Simple, reliable, and user-friendly. Just plug in your USB-C cable and connect to the derailleur for instant charging. An indispensable backup tool for race days, bikepacking trips, and daily cycling training.