Shop JR High Speed EX Counter Gear Gear, Ratio 3.7:1 PreviousJR Super Speed Gear Set, for Super X & Super-Li Chassis NextJR Mini 4WD Basic Tune Up Set JR High Speed EX Counter Gear Gear, Ratio 3.7:1 JR High Speed EX Counter Gear Gear, Ratio 3.7:1 $5.30 Quantity: Add To Cart Facebook0 Twitter Pinterest0