Losi Promoto-MX RTR 1/4 Brushless Dirt Bike (Pro-Circuit) Radio Systems The F-150's extended wheelbase further

The F-150's extended wheelbase further enhances the TRX-4’s legendary off-road capability for better performance on the trail

Application: UMX 3S airplanes

twisted and analyzed to make sure they meet strict global safety standards

- For ages over 14 years old

Featuring the Velineon® 540XL brushless motor

Losi Promoto-MX RTR 1/4 Brushless Dirt Bike (Pro-Circuit) Radio Systems The F-150's extended wheelbase furtherThe Ultimate MX Experience: Promoto MX Ready to Run The Losi Promoto MX Ready to Run 1 4 Brushless Dirt Bike will make you feel like you belong on an MX track doing what could only be described as getting after it, brapping it up, giving it the zip zip zip! When the gate drops this Bike's Brushless powerhouse will have you shooting for the holeshot, blitzing through the whoops, and airing it out over triples! Suspension and Brakes The mechanical