What are link pins?
What are link pins? A pin link consists of the two side plates connected by two tightly fitted pins. A roller link consists of two side plates connected by two tightly fitted bushings on which hardened steel rollers are free to rotate. Do I need 2 sway control bars? Basically, one friction-style sway control can be used for trailers with up to 6,000-lb GTW. If your trailer's GTW is between 6,000 lbs and 10,000 lbs, you will need two sway-control units, one on each side of the trailer. You will also want to use two units if your trailer is...