Upgraded to aluminum 7075-T6 material, which has better thermal conductivity and faster cool down.
Enlarge the bearing design to make the differential rotation more smooth, stable and powerful.
The original gearbox is composed of three parts, which complicates the disassembly procedure. By changing the original design, the gearbox designed by GPM is composed of two parts, which is firmer and only needs to be disassembled on one side. Improve the convenience and performance of disassembly and assembly.
