Tamiya Mini 4WD Counter Mast Gear Shaft for Mini 4WD MS Chassis - Advanced Version x 2 * This is a support item, and drive adjustment and gear positioning are required. * Slight modification of the red marker area in image ③ is required. * Brass washers are polished to 3mm or less. * The 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. * Adjustments for various MS chassis colors and types. * This part prevents torque loss without processing the gear shaft groove, leading to improved drive performance. * Verified with MS Flex processing. * Motor pins are selected and used due to individual differences in thickness. * Gear shafts are selected using 12 520 bearings due to individual differences in 520 bearing hole diameters. * A digital caliper, the most accurate available, is used for measurement. * The item is disassembled and processed from a Tamiya motor, so it is almost unused. * 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 some 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.