These lightweight 13mm Aluminum Ball-Race Rollers feature superb durability and are also designed with 520 ball bearings to supply smooth rotation. Besides, these rollers have actually less friction up against the program walls and may be used for both front side and rear roller setups. This variation makes use of components which have a weight reduced amount of around 30percent because of their form and newly-bored holes. 13mm Aluminum Ball-Race Roller x2 Attachment screws included. Compatible with all Mini 4WD and Mini 4WD PRO framework machines. Some framework and figures may require modification.
