[#MG-10005] 15T HD Steel Mod1 Motor Gear Pinion w/5mm Bore
[#MG-10003] 13T HD Steel Mod1 Motor Gear Pinion w/5mm Bore
[#MG-10001] 11T HD Steel Mod1 Motor Gear Pinion w/5mm Bore
[#MG-10002] 12T HD Steel Mod1 Motor Gear Pinion w/5mm Bore