Tamiya 94721 - JR Double Aluminum Rollers- 9-8mm/Blue 田宮迷你四驅車迷你四驅車後備配件導輪/滾輪 雙星孖星  [94721]

Boost your Mini 4WD racer! These double rollers provide more roller environment variations and better prepare your Mini 4WD for the racetrack.

Specs & Features

• Blue color.
• Aided by the 9mm roller in reduced position as well as the 8mm roller in upper position, it improves your security significantly and in addition improves 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.
• Measurements; Weight: 0.6g, Lower Roller Diameter: 9mm, Upper Roller Diameter: 8mm, Height: 10mm.