Tamiya 15349 - Super Speed Gear 3.5:1 ratio (MS Chassis) 田宮迷你四驅車迷你四驅車後備配件齒輪 雙星孖星  [15349]

• Super fast 3.5:1 ratio gear included with touring car style Mini 4WD Pro racers is also available as a Grade-Up parts set.
• Adding this gear set allows you to kick your machine&39;s speed up to the next level, giving it the ability to demolish the competition!

Compatible chassis:

• Mini 4WD PRO series chassis (NOT compatible with Dangun or non- PRO series racers)