http://www.rctech.net/forum/electric...thread-35.html
The above link will let you know the company in question, will also explain why they are illegal (to use in events which run to ifmar/roar and other members who adopt said dimensions)
Which some have above posted 'they are the same as normal 10th buggy wheels', when clearly you haven't seen them or even read up on them. Always good giving advice or making statements when actually you don't have any idea on the product.