Exotek Racing - Sport3 Alloy Spur Mount, 6061 Ultra Light Glue Oil & Cleaners Grease Lubes - The sealed gearbox contains

- The sealed gearbox contains a differential for smooth driving and cornering

1 Y-Cable for ESC

It's an updated version

-Instruction manual

Replaces factory front or rear driveshaft axles

Exotek Racing - Sport3 Alloy Spur Mount, 6061 Ultra Light Glue Oil & Cleaners Grease Lubes - The sealed gearbox containsExtra lightweight alloy spur gear mount for the HPI RS4 Sport 3. All alloy construction weighs only 2. 6gr the stock steel mount is 8. 4gr! Less rotating mass means longer run times, a cooler motor and faster power delivery. Accepts the stock spur gear or aftermarket 2 bolt or 4 bolt pattern spur gears by Kimbrough and HPI etc. Polished and anodized in factory orange. Optional alloy drive shaft also available.