For sale due to retirement from Mini 4WD. This is a set sale of TOMOZONE's Horicomunder and Gezuricomunder. Offered at a lower price than the retail price! Most people consider these essential when making a flexible chassis!! Horicomunder SP5.6 Horicomunder SP6.1 Horicomunder SP Center Gezuricomunder 4.25 Horicomunder Gezuricomunder MS Flex