4GHz w/ BMW

Genuine Tekno RC part TKR5303

(1) gear box case cover

tank and boat etc

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

Losi SPMXMXEF1 (SPMXMXE85) ESC Replacement Fan 1S (3.7V) 4GHz w/ BMWLosi 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