These lightweight 13mm Aluminum Ball-Race Rollers function superb durability and they are loaded with 520 ball bearings available smooth rotation. Besides, these rollers have less friction against the course walls and can be utilized for both front side and back roller setups. This kind of variation uses components that have a weight reduced amount of around 30% thanks to their shape and newly-bored holes.
• 13mm Aluminum Ball-Race Roller x2
• Attachment screws included.
• appropriate for all Mini 4WD and Mini 4WD PRO framework machines.
• Some framework and figures may require modification.
