Is the Timbren Axle-Less Trailer Suspension System a Good Choice for a Motorcycle Trailer
Updated 08/10/2012 | Published 08/09/2012
Question:
Considering your non-axle system for a motorcycle trailer. Am concerned with wheel camber during loads, bumps, etc. Consideration is that tire wear will be no better than conventional axles, which can ruin tires in several thousand miles or less. I understand the use of the 2 square tube, but does that not defeat the point of not having an axle? I worry that the stress loads will deform the Timbrin gear like any other axle system. Even straight axles wear tires from axle flex, so can you offer any thoughts on actual performance of the Timbrin gear? We will be purchasing quantities of whatever gear we settle on since it will be a production product.
asked by: Ed D
Expert Reply:
The Timbren suspension system, like # A20RS440, is designed to be toe-in when there is no load on it. So when the load is placed on it it will push the tire out so that it is riding straight on the ground. Provided the trailer is not overloaded and the tires are trailer tires and inflated to the maximum psi as indicated on the tire, then you should not see excessive wear and get more than just a few thousand miles out of a set.
A regular axle has a bow in it. That bow should be pointed up and this makes the tires tope-in. When a load is on the trailer, that will push it out and the tires will ride level. If you see tire wear only on the inside tread, that means the tire is toe-out and the trailer could be overloaded.
The suspension system uses a regular trailer rated spindle and hubs, bearings, races, and seals. The spring is rubber and does not require maintenance. But the bearings are going to need to be packed with grease just like on any other trailer.
Having the square tube installed is not a requirement but if you wanted added stability between the two units, you could use it. Otherwise they works perfectly fine independent of each other. It all depends on how the trailer is constructed. Like the note on the page states: If your trailer does not have a crossmember above the spot where you want to install the Timbren system, you may need to reinforce the frame. You can accomplish this three ways. First, you can retrofit the trailer with a crossmember. Second, you can build out the trailer frame. Third, you can use standard, 2-inch steel tubing to connect the 2 Timbren suspensions together using the built-in square hole on each unit.
Provided that you stay within the capacity of the system the longevity and performance of this system will provide years of service and perform quite well for you. i have included a link to our FAQ article on trailer tires for you to view.
Product Page this Question was Asked From
Timbren Axle-Less Trailer Suspension w/ Idler Hubs - Standard Duty - No Drop - 4 on 4 - 2,000 lbs
- Trailer Axles
- Rubber Spring Suspension
- Standard Grade
- Idler Hubs
- 2000 lbs
- 4 on 4 Inch
- Universal Fit
- No Drop or Lift
- Timbren
more information >
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