Based around a tough monocoque frame with integrated gearboxes

Three-position wheelie bar with optional large wheels included

with hub reduction axles providing extra height for taking on rougher terrain

5mm R: W +1

Parts are designed to be assembled into blocks of the same color

HPI Racing - Aluminum Center Driveshaft for RS4 Sport 3 HPI160324 Based around a tough monocoqueGet more power to the wheels of your Sport 3 with a fitted Aluminium Center Drive Shaft. The 6061 Aluminum Shaft is a direct replacement for Sport 3 cars. Coming in at just 12 grams compared to the standard steel shaft at 35g, the Aluminum Shaft significantly reduces the rotating mass for improved acceleration, braking and a true rotation down the narrow sport 3 center channel. It's built to exact HPI factory specifications for a perfect "bolt in" fit