LOSI-1/4 PROMOTO-MX MOTORCYLE RTR, FXR-LOS06000 medium carbon steel gearbox gear set 7



Upgraded to medium carbon steel material, more durable and wear-resistant.



Applicable models: LOSI-1/4 PROMOTO-MX MOTORCYLE RTR, FXR-LOS06000 (dedicated)



Universal models: LOSI-1/4 PROMOTO-MX MOTORCYLE RTR, FXR-LOS06002