Slot.it PS11 Sidewinder pinion 6.5mm 11 tooth x2

SIPS11 Slot.it brass pinion gears are designed for use with Slot.it crown (inline), sidewinder and anglewinder driven gears.  This pinion gear has 11 teeth (11T), a diameter of 6.5mm and is compatible with motors having a 2mm diameter shaft commonly used by 1/32 slot car racers.