Tamiya Mini 4WD Mini 4WD MS Counter Mast Gear Shaft for Advanced Users x 2 * Support item, requiring individual drive adjustment and gear positioning. * Requires slight modification to the red marker area in image ③. * Brass washers are polished to 3mm or less. * Shaft pin protrusion is adjusted to approximately 8.5mm from the side of the brass washer. * Brass washers can be moved, so adjust with aluminum spacers or washers as needed. * Adjustment for various MS chassis colors and types. * Prevents torque loss without processing the gear shaft groove, leading to improved drive performance. * Verified with MS Flex processing. * Selected and used motor pins due to individual differences in thickness. * Selected gear shafts using 12 520 bearings due to individual differences in 520 bearing hole diameters. * Digital calipers, the most accurate available, are used for measurement. * The item is in near-new condition as it is made by disassembling and processing Tamiya motors. * Shipped via Yu-Packet Post Mini. ★☆Must Read☆★ * Handmade by an amateur. * No individual sales. * No price reduction. * Stored at home. * New and unused, but may have minor scratches. * Please judge the product condition from the images. * Please refrain from purchasing if you are sensitive or seek perfection. Please understand and agree to the above content before purchasing. Thank you very much.