Tamiya 94731 - JR 19mm Aluminium Ball Race Rollers- Dish/Black 田宮迷你四驅車迷你四驅車後備配件導輪/滾輪 雙星孖星  [94731]

These lightweight aluminum rollers function unique pad-printed "Mini 4WD Station" logos and are usually a good way setting your device besides other people on track.

Specs & Features

• Ebony pad-printed logos match the black colored plastic roller bands.
• 520 ball bearings have actually less friction, thereby creating smooth rotation performance.
• Appropriate for any Mini 4WD and Mini 4WD PRO device.
• Set contents:
  • 2x8mm screw x2
  • 520 ball bearings (pre-installed) x2
  • Spacer x4
  • Rubber O-rings x2