22X-4 Center Differential Spur Gear (81T) by TLR Save $-10.00 $10.00 | / SKU TLR232119 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This is an optional Team Losi Racing 22X-4 Center Differential Spur Gear, intended for use with the TLR 22X-4 Race Kit.