PowerHobby offers the following separately available mount sizes:

CRYO-DRIVE Technology minimizes the amount of time the ESC's electrical components spend generating heat

replacement antenna tubes

tank and boat etc

Will not fit 8ight

Losi SPMXMXEF1 (SPMXMXE85) ESC Replacement Fan 1S (3.7V) PowerHobby offers the following separatelyLosi SPMXMXEF1 (SPMXMXE85) ESC Replacement Fan The Losi SPMXMXEF1 is a replacement fan for the SPMXMXE85 ESC. The fan keeps the ESC cool during operation, helping prevent overheating during hard runs. Replace a worn or failed fan with this part to keep your SPMXMXE85 ESC running cool. Genuine Losi part, number SPMXMXEF1 ESC replacement fan Compatible with SPMXMXE85 ESC