田宮 15398 兩段式鋁製導輪套裝(13-12mm)
融合兩個不同外徑的導輪而成。車身傾側時,上導輪接觸軌壁以防翻側。
With the current Tamiya Mini 4WD racing regulations, only these double rollers count as one roller. 12mm diameter roller set in the upper position and the 13mm in the lower position, improves your stability greatly and also assists cornering ability.
Can be used with any Mini 4WD & Mini 4WD PRO machines
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