Type-C Charging Convenience: Convert your for Shimano 4-pin charging interface to Type-C, enabling universal compatibility with modern Type-C cables, power banks, or laptops for on-the-go charging.
Emergency Power Supply: Use any Type-C power source (e.g., phone charger, portable battery) to charge your DI2 electronic transmission system during rides, ensuring no downtime.
Perfect Compatibility: Designed for Shimano 12-speed EW-EC300 and DI2 systems (R9200/R8100/R7100 series), seamlessly integrates with official accessories.
Compact & Portable: Ultra-small design (0.4in/10mm connector) for easy storage in bike bags or pockets. Ideal for travel, races, or long-distance cycling.
Stable & Safe: Reinforced 4-pin interface ensures secure connection and charging stability. Built-in safeguards prevent overheating and short circuits.
