The gearbox is sealed to protect from dust and debris and integrated into the frame

developed just for this model

The ACU-01 Unit is a compact actuator unit for Tamiya R/C tipper/dump truck beds

which was the WRC rally champion in 1977

Rear carbon brace attachment for ZX7 increases chassis stiffness

1UP Racing - 1UP Racing Pro Duty Titanium ServoLock Screws (3x8mm) Zap Glue The gearbox is sealed toKeep your servo in it's place with 1up Racing Pro Duty Titanium ServoLock Screws. These CNC machined Grade 5 Titanium screws feature an oversize head and wide neck for a snug fit in most common 1 10 Servos, helping to ensure your steering or throttle points won't shift during hard collisions. Pro Duty Titanium is as good as it gets. You can expect these to withstand any abuse thrown their way and look great while doing it. The ultra sleek head design