You need to contact us after receiving the item. we will guide you know how to install this item, and then you can upgrade your helmet X-803 to X-803RS
If the item has any question, please contact us
Please select the appropriate style based on the model of your helmet. If you have an X-803RS helmet, choose the X-803RS style directly. If you have an X-lite X-803 helmet, you will need to purchase the triangle modification accessories.