Tuttio Soleil01 Ebike Controller Main Line Tuttio Soleil01 Ebike Controller Main Line is the central wiring harness that connects the motor, display, throttle, brakes, and other electrical components to the controller. Designed specifically for the Soleil01 model, it ensures stable power transmission and responsive signal communication across the bike's entire electrical system. Note: This main line is compatible only with the display that features an "M" button, so please make sure to check your display type before purchasing. Please note that accessories require a short preparation period before shipment. The standard delivery time for accessories is approximately 9–12 days. For accessories, returns or exchanges are only accepted in the case of confirmed quality issues. We are unable to accept returns for reasons such as personal preference or incorrect purchase.