Hey fellas, you know, the one way bearing is in almost all nitro rc cars and trucks, so sometime in the future you will undoubtedly have to replace it on your dime. Its not that expensive and you can do it without ordering a cen part(commonly used part in all vehicles) It only takes a couple handtools

[link=http://www.rcuniverse.com/forum/m_5579813/tm.htm]Just read this thread and you will have the basics.[/link]