G121 EBike Kit Product Description
The G121 EBike Kit is a high-performance solution developed by Ecoway Tech, a professional ebike kit manufacturer with more than 10 years of experience in the electric hub motor industry. Ecoway Tech specializes in brushless DC motor systems and geared motor technologies. Every ebike conversion kit is built around core components including a ternary lithium-ion battery, hub motor, controller, display, throttle, pedal assist system, and brake options, offering reliable quality for global ebike brands and DIY users.
The G121 kit is powered by a robust brushless DC geared hub motor featuring a 121mm stator diameter. With an output range of 500W to 750W and a voltage range of 36V to 52V, this motor delivers significantly higher torque than the G110 model, making it ideal for hill climbing and heavy-duty riding. The motor runs efficiently and quietly, providing strong acceleration and stable performance. CE-certified versions are available for markets requiring compliance. This makes the G121 one of the most powerful options among ebike kits for sale and a preferred choice on the best websites to buy ebike conversion kits.
The kit comes with a downtube lithium battery that is widely used for mountain bikes, cargo bikes, wheelchair power assist attachments, and off-road vehicles. Battery options include both 18650 and 21700 cells from LG, Samsung, Panasonic, or high-quality Chinese cells. Several capacity configurations have passed UL2271 and EN50604 certifications, ensuring a safe and reliable electric bike conversion kit with battery. The battery base can integrate the controller, creating a cleaner appearance and more convenient installation for OEM projects or diy ebike kit builds.
The fully waterproof controller is matched with a 22A output to optimize performance with the G121 motor. It is available with CE, EN13849, and UL certifications for European and North American markets. The controller can pair with both a Bluetooth app and an LCD or color display. With the optional IOT module, users can access GPS positioning, anti-theft features, remote locking and unlocking, and navigation functions, making this an advanced ebike conversion kit brushless mag wheels compatible system for modern smart ebike applications.
The G121 ebike kit includes a standard LCD display, with optional full-color screens available for premium builds. Many display versions support multiple languages and also offer a “Find My” function, allowing riders to locate their ebike easily through connected systems. Throttle options include thumb throttle, half-twist, and full-twist styles to suit different riding habits. For pedal assist, users can choose between a speed sensor for traditional PAS or a torque sensor for smoother, more natural pedaling. Brake options include electronic brake levers or brake sensors that work seamlessly with hydraulic brake systems, allowing high-end mountain bikes and road bikes to retain their original brake setup.
In addition to the main components, Ecoway Tech can supply accessories such as front and rear lights, disc rotors, and brake calipers according to customer requirements. This makes the G121 one of the most complete and customizable ebike kits available, ideal for both professional manufacturers and DIY riders seeking a powerful ebike kit or ebike conversion kit that integrates smoothly with their build.
The G121 EBike Kit is suitable for a wide range of applications, including DIY electric mountain bike conversions, road bike electric conversion kit projects, cargo bike builds, wheelchair power assist attachments, and off-road electric scooters. With strong torque, reliable electrical components, and flexible customization, the G121 stands out as a top choice for anyone looking for high-performance ebike kits for sale and durable diy ebike kit solutions.
