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SDR Newsletter


Sport Cages

About Our Sport Cages

Here at SDR we get alot of people asking about cage extensions, or add on cages. While we understand that these types of cages are a lot less expensive than a Full cage we want to stress that this is not something we would ever reccomend anyone spend thier money on. It would be like buying a new car without any airbags or seatbelts just to save a few bucks! It is our opinion that the factory cage is inadequate in the event of a rollover and that its weaknesses are only multiplied by adding a rear structure to it. After all, this is your family and we build cages that make it safer to go ride together, not just a place to put a rear seat.

With so many choices in cages for your UTV on the market today it can be difficult at best to seperate the good from the bad. Not to mention the drastic variance in prices from one builder to the next. As a company that has built as many if not more cages than just about anyone in the industry we know the differences, and we know why they sell them so cheap. Simply put, materials and structure seperate the good from the bad, and usually the cheap from the more expensive. Read along as we try to help you not only make a good decision, but try to offer a bit of insight and education on what makes a cage not only look good, but keep you and your family as safe as possable.

Materials 101: There are many different materials that builders use to build cages. Here is a quick rundown of what is what....

CRERW: Cold Rolled Electric Resistance Welded. This is the most common and least expensive of the three we will talk about here. This tube is rolled into shape from a flat plate of steel and then welded creating a visible seam. This tube type is used here at SDR for connector tubes and non-critical bracing such as the V-bars in the roof area, dash bar, and the 1 inch bracing in the windshield and corner gussets. If your cage is built from this material it should be .120 wall thickness to maintain the same strength as .095 wall D.O.M. tubing wich we will talk about next. Also critical to strength when making a cage from this material is the seam placement during bending. Having the seam aligned with the inner or outer surface of the bend can lead to failure by causing the seam to rupture or split during an impact.

D.O.M.: Drawn over Mandrel. Next up on our list and much more expensive and much stronger is DOM Tubing. This type of tube is often incorrectly reffered to as seamless tubing. While it appears to be seamless because of its flash removal after the welding process it is also rolled and welded. This type of tube is most commonly used for structural products for its consistent ID and OD tolorances. DOM is also a very easy material to work with as it bends well and can be mig welded with no heat treating or stress relieving needed. This is the material we use for all of the main structure of every SDR cage we build.

Chrom-Moly: The "strongest" of the three materials we are discussing and also the most expensive of them by far. Not only is Chromoly costly as a raw material it requires proper welding and stress relieving once it is welded to yield the strength it offers as a raw material. The argument of Chrom-moly versus DOM is a hotly debated topic and there never seems to be a clear winner. We believe that there is not enough strength benefits to outwiegh the cost factor of a chromoly cage. But for those that have to have it, we can and will glady build one for you.

Construction, deconstructed:

You should ask a lot of questions from your builder, do your own research, and ask opinions of other UTV owners and what they learned. You should know the fabrication abilities and background of the company you are about to trust in building you a sport cage that your kids will be strapped into. Here at SDR we enjoy talking with you about what we believe makes our cages and products better and sharing  our experience and the talent of our team of fabricators with our customers. We have over thirty years of combined off road fabrication experience building cages, bumpers, suspension systems and more.

The bottom line is that if a "Fabrication" company can't build you a cage two inches shorter, or add a tube in here and there, or build you an entire custom cage just the way you want it, chances are its because they either don't know how, or they don't even build there own cage  to start with!

We didn't just set out to design another "cookie cutter" sport cage, we set out to engineer a sport cage that gives our customers the ultimate in Safety & Style. Take a look at these key features engineered into every SDR Motorsports Inc. Sport cage and we believe you will agree that ours stands out from the crowd...

Material: Every cage we build uses ASTM-1020 1-3/4x.095 D.O.M tubing for all of the main structure all notches are jig cut to ensure proper fitment before being welded by our professional team of fabricators using the proper wire and heat levels to ensure maximum penetration and strength of weld.

Triangulated design: Look closely at our sport cage and you will notice that all three vertical supports are at different angles. The technical term for them is the A-pillar, B-pillar, and C-pillar from front to back. We set the front A-pillar at 5 degrees with the C-pillar at 2.5 degrees and the rear C-pillar vertical at 0 degrees. This method adds increased strength over straight designs that can fold over in a roll like a box. Plus we believe it just looks better that way.

Roof bracing: Every SDR Motorsports Inc. Sport cage features upper roof bracing down the center and across the back. This "center spine" provides the strength needed to make sure your family stays as safe as possible in the event of a rollover.

Double tube front bracing: We have added an extra cross bracing tube to the front windshield area similar to what you would find on a trophy truck chassis to further strengthen the front of the sport cage.

Extensive Bracing: We have gussets and bracing aplenty. A complete dash bar, harness bar, full bed bar, and b-pillars. All key ingredients to a safe and tough sport cage.

Proper Harness bar Location: Many sport cages on the market today just don't do this part right. For your belts to properly function, the location of the harness bar is critical. To low, and the belts will compress your back. To high, and the belts cant hold you in. We put ours right were it needs to be to allow the belts to do their job.

Front intrusion bars: Some people call them V-bars but we put them there to protect you and your passenger by helping to block  anyone, or anything flying through the front of the cage in the event of an accident. Just one more safety feature we feel is important.

There are even more features built into the design of our sport cage, we encourage you to give us a call so we can tell you more about how with SDR Motorsports Inc. everything we do has Strength, Safety and Style built in.

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