Electric Bike Sprocket We're excited to offer original chainrings for the Tuttio Soleil01 bike. When upgrading, please ensure you identify the specific part and position you need. For your convenience, we recommend sending an email to [email protected] after your purchase to confirm your selection with our customer service team. Happy riding! 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.