The width of the roller setting is spread. is made ​​out roller machined aluminum with a diameter of 13mm. Body violet anodized fearless. You can achieve a smooth rotation with an embedded 520 bearings. It is not equipped with a ring of rubber or plastic on the outer periphery of the roller. can be attached to the front and rear. In addition. about half or less than that of the roller for 13mm ball bearing. the lightweight and about 1.7g in the two also is a point. Including four wheel drive mini PRO. I am attached to the four wheel drive mini each car.

(ITEM 95049)
�� aluminum roller high-strength lightweight