Tamiya 15403 - JR Double Aluminum Rollers - 9-8mm 田宮迷你四驅車迷你四驅車後備配件導輪/滾輪 雙星孖星  [15403]

This new 9-8mm Mini 4WD set offers you roller setting variation to allow you to better prepare your Mini 4WD for the racetrack.

Specs & Features

• With the 9mm roller in the lower position and the 8mm roller in the upper position, itimproves your stability greatly and also enhances cornering ability.
• Friction is minimal when the aluminum rollers make contact with the course walls,allowing for fast driving.
• Can be used with any Mini 4WD and Mini 4WD PRO machine.