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 gives you roller establishing variation to allow you to better prepare your Mini 4WD the racetrack.

Specs & Features

• Because of the 9mm roller inside reduced position therefore the 8mm roller in top place, it improves your security significantly and improves cornering capability.
• Friction is minimal once the aluminum rollers make contact with the program walls, making it possible for fast driving.
• Can be utilized with any Mini 4WD and Mini 4WD PRO machine.