3996X Traxxas Idler Gear (20T) (E-Maxx)
$6.00
8692 Traxxas Input shaft/ idler gear
$11.00
Robinson Racing 1559 Axial extra hard idler SCX10, II,
$15.00
Robinson Racing Axial SCX10/SMT10 X-Hard 48P Input Top Shaft 20T