It is herein presented a novel transfer apparatus for a snowmobile, the transfer apparatus comprising a joint part and a support for a wheel. The joint part comprises an attachment hole for a ski bolt between a ski and a ski suspension of the snowmobile and a first coupling member for the detachable attachment of the support for the wheel and the support for the wheel comprises a second coupling member which is configured to connect to the first coupling member such that a detachable coupling is formed for the wheel.