【Dual Hydraulic Drive System & Ultra-Quiet】Adopting a dual hydraulic drive system, this product provides stable resistance and reduces noise. Please note: The hydraulic cylinders of this product are designed in accordance with JIS standards (B 8356-1). However, approximately 20 cycles of unloaded operation are required during initial use until the grease inside the cylinders is fully settled. Please re-check the "Initial Adjustment Procedure" described on page 15 of the instruction manual, and lightly step on the pedals about 10 times on a level floor. 【Assembly Troubleshooting】"The asymmetrical design of the assembly parts is an intentional design based on ergonomics. As stated in the "Assembly Notes" on page 5 of the instruction manual, please ensure that part number A is always installed on the left side and B on the right. We will separately send color-coded identification stickers to assist with assembly, so please use them." To ensure long-term use, please follow the four points below: 1. After use, stop the operation slowly and avoid stepping abruptly. 2. Use lubricant regularly. 3. Store away from direct sunlight, high temperatures, and humidity. 4. Regularly check that parts such as screws, cylinders, and pedals are not loose. Thank you for viewing.