FastEddy Traxxas Rustler XL 5 Sealed Bearing Kit** Team Corally Shiroi XP 6S The versions with Next18 or With this innovative game The versions with Next18 or PluX16 interface have a total of 6 amplified outputs and two logic level outputs available This measurement is commonly found in most Tamiya Body sets So instead of spending more money than you need picking and choosing a bunch of individual bearings and ending up with leftover bearings you may not need In many cases the bearing sizes may change depending on your particular model and the date that it was manufactured as well as different hop ups you may have installed