🔌【Perfect fit for Shimano DI2 EC300】This 4-pin to Type-C adapter is specifically designed for Shimano EC300, compatible with 12-speed DI2 electronic derailleurs (R9270/R9250/R8170/R8150/R7170/RX825) and power chainrings (R9200P/R8100P). A must-have for shimano di2 charger accessory for seamless charging. 🎒【Ultra-compact & portable】Measuring just 2.3×2.1×1.5cm (0.90×0.82×0.59in), this di2 charger adapter is lightweight and easy to carry—fits in bike bags or pockets. Ideal for road/mountain bikes, ensuring you can charge your di2 battery on the go. ⚡【Type-C compatibility, fast & stable】Supports Type-C interface charging, compatible with mainstream power adapters, power banks, and laptops. Delivers efficient, stable charging for your DI2 system, keeping your electronic derailleur powered during long rides. 🚴【Versatile for all riding scenarios】Whether daily commutes, long-distance tours, or professional races, this di2 charger adapter ensures your 12-speed DI2 derailleur stays charged. No more worrying about power loss mid-ride. 🔌【Includes Type-C data cable】Comes with a portable Type-C data cable, making it ready to use right out of the box. Connects easily to the adapter for instant charging—simplifying your DI2 battery maintenance. Size: 2.3*2.1*1.5cm/0.90*0.82*0.59in
Applicable: 12-speed electronic shifting kit (R9270/R9250/R8170/R8150/R7170RX825), Power chainring (R9200P/R8100P).
Interface: Type c
Color:
1. Designed for Shimano DI2 EC300, 4-pin to USB-C charging adapter, compatible with 12-speed electronic shifting system, easy to install, worry-free riding.
2. Lightweight and portable design, suitable for road bikes and mountain bikes, fast charging in emergency to ensure long-distance riding power endurance.
3. Support Type-C interface charging, compatible with mainstream power adapters and mobile power supplies, more efficient and stable charging, and enhance riding experience.
4. Suitable for a variety of scenarios, whether it is daily riding, long-distance travel or professional competitions, it is your ideal charging solution.

Package includes:
1 pc Suitable for Shimano1 cable adapter