M0.5 Pitch Pinion ID 2mm Shaft for Kyosho stock gear diff, PN MR2048 Ball Diff, or MR2641 MR2642 MR2643 MR2941 MR2942 MR2943 Supr GearPN Racing Machine Cut Delrin Pro2 M0.5 Pinion 8T - (400508)SKU: 400508£4.99PriceQuantity*Add to Cart