ONE yo-yo was introduce to be a yo-yo that was basic and easy to understand, a solid performer, and to offer it at a phenomenal price point. The ONE offers a comfortable butterfly shape, a variety of colors to choose from, silicone response, ball bearing, and interchangeable caps. Comes with a size C slim bearing, with the slim bearing a simple tug or pull will bring the yo-yo back to your hand easily. This makes a perfect yo-yo to start with & moving towards intermediate and more advanced level of yo-yo with ease. By upgrading the SPEC bearing to a full size C large bearing, it can perform advanced & unresponsive yo-yo play. In this standard YoYoFactory small box with a free upgrade YYF Large SPEC Bearing. With the upgraded large SPEC bearing, the ONE becomes an unresponsive beast, capable of handling the toughest tricks in the game