Arrowmax AM-MRX5-J0105U Rear Upper Suspension Shaft (Spring steel) (2)  [AM-MRX5-J0105U]

Arrowmax AM-MRX5-J0105U Rear Upper Sus Shaft (Spring steel) (2)

These back upper sus shafts made from spring steel, then coated with titanium nitride, it make the components less friction and extende lifetime.