Arrowmax AM-MRX5-H2106 Front Upper Arm Shaft (Spring steel) (2)  [AM-MRX5-H2106]

Arrowmax AM-MRX5-H2106 Front Upper supply Shaft (Spring steel) (2)

This new option elements of front lower internal pivot pin for Mugen MRX5, these shafts created from spring metal & then coated with titanium nitride, it result in the parts less friction and long lifetime.