Please note: There are cracks inside due to aging. It's difficult to use due to the cracks and fissures, so it's probably best for collection purposes. This is the Clessiah, the signature model of Tomoya Ishiguro, also known as Black, the 2001 World Champion. I am not familiar with the bearings or internal structure, so please check the photos. Please only purchase if you understand that this is a used item from over 20 years ago. clessiah Hyper Yo-Yo, vintage yo-yo from that time