Optronics Trailer Lights - Tail Lights - STL211RB Review Video

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

In the attached diagram the A measurement is actually the distance from the center of the spring hangers for a single axle trailer. The spring eye to spring eye measurement for your leaf springs will be slightly different. The B measurement that you…

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

Yes, you can replace your load range C tires with load range D tires without issue. It will only become any issue when you go down load ranges, not up. The tires will have the same overall diameter as long as they are the same size regardless of…

Basically, a free backing brake assembly like #T4423400, will have one shoe that is shorter than the other and the bracket will be a different shape. On a regular assembly, the shoes will by mirror images of each other. Also, on a free backing…

Your trailer must have free backing brakes if you have never used the surge brake actuating coupler reverse lockout. If you did not have free backing brakes, your brakes would most likely brake even if they didn't lock up when you back up because…

I did a little digging on your grease seal number and it looks like the 16074-224 has an inner diameter of 1.5 inches and an outer diameter of 1.987 so the correct part number you would need is the #10-9.

The single wire plug #A91LW is designed to plug into a light that has the female plug already installed on the back of the trailer light. The #A91LW has a 12 inch lead wire with the male plug attached. Many of the Series 91 lights have two female…

Whether you have the 7K Dexter brake assemblies like part #23-181 or like the Nev-R-Adjust #23-465, you may simply need to adjust the brakes. Even if your brake controller is set to the highest setting, if your brakes are not adjusted properly then…

The white wire, with the mounting eye, is a ground wire that needs to be connected to a metal surface on the trailer that is electrically grounded like the frame. The other two wires will provide the brake/turn and running lights. This light will not…

The Optronics LED Trailer Tail Light, Item #STL211RB, is only one light and not a pair. I have attached a video for you to check out.

The accent holes on the Americana Modular Wheel w/ -0.5 Offset - 17-1/2" x 6-3/4" Rim #AM22461 will measure 1.57". Just to cover all the bases, the pilot hole measures 4.76", the lug holes measure .66", and the valve stem…