Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Features:
Specs:
Note: The overall capacity of this tire-and-wheel assembly is limited to the lowest rated component. Do not fill your tire to a pressure greater than that indicated on the tire itself or on the wheel that it is mounted to.
Determining the Bolt Pattern
The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.
Video of Karrier ST175/80R13 Radial Trailer Tire with 13" Galvanized Wheel - 5 on 4-1/2 - Load Range D
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today we're going to review part number AM31994. And this is a Kenda Karrier Tire, size ST175/80R13. It's a radial trailer tire mounted on a 13-inch Dexstar Galvanized Steel Wheel. This wheel has a corrosion resistant galvanized finish on the front and on the back. Now we'll do a few measurements on the wheel, the diameter of the rim is 13 inches, measured inside to inside. It is a 4-1/2-inch wide wheel.
The bolt pattern on this wheel is a 5 on 4-1/2-inch bolt pattern. And there's two ways you can measure on a bolt pattern with an odd number of lugs, like in this case, 5 lugs. The first way, would be if you draw a circle through the center of all 5 holes and then measure the diameter of that circle. So in this case if we measure from the center of this bolt hole to that outer edge of that circle it would be 4-1/2 inches. That would be 5 on 4-1/2 inches.
The second way is if you measure from the center of one bolt hole to the center of a bolt hole right next to it, so in this case if we measure center to center, it would be 2-5/8 inches, and if you go to the bottom of the product page, there'll be a chart that will list with those measurements what the bolt pattern would be. In this case, when you look 2-5/8-inches would associate to a 5 on 4-1/2-inch bolt pattern. This wheel has a capacity of 1660 pounds at 65 psi. It does use a wheel bolt size of 1/2-inch by 20. Another critical measurement is the large center hole in the center of the wheel.
This is called the pilot hole diameter and this is what will go over the hub on your trailer. So if we measure the diameter of that pilot hole it would be 3.19 inches. And now if we go to the tire, the tire is a Loadstar Karrier, size ST, for Special Trailer, 175/80R13. We'll measure the overall diameter of this tire and that would be 24 inches. This tire has a capacity of load range D which is an eight-ply rated tire.
The tire does have a maximum load capacity of 1610 pounds at 65 psi. And this tire is a radial tire which means when it is constructed the belts will run the radius which is bead to bead across the radius of the tire. And what that will do for you when compared to a bias tire, a radial tire because of its design will give it more flex that allow for better ground contact, giving better traction, better stability. The other nice thing with the radial tires, normally because of the way they're constructed, they'll run cooler, so if you don't overload them it will help the tire last longer. This tire and wheel combo does have a limited two-year warranty, and that should do it for part number AM31994.
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Average Customer Rating: 



4.7 out of 5 stars (35 Customer Reviews)




by: Roger E.03/21/2011
Is this review helpful?
I shopped around for tires for a bass boat trailer. I found tires at a local membership warehouse that were close to e-trailer's price but after mounting and taxes they were much higher. e-trailer.com had the tire and galvanized wheel at a much lower price. I live in California and didn't expect to receive the tires for 7 to 10 days if I was lucky. The tires were delivered in 4 days. WOW! I decided to use radial tires after my bias tires were cupped after a 3500 mile trip. I was told that radial tires track better. You can not go wrong with ordering from e-trailer.com , I plan to order from them again. Good Job!9972




by: Walter Johnson01/21/2011
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I always search for best value and best price,, I don't have to shop anymore, These items are of the highest quality and killer prices. I highly recomend these folks,,,,, Oh The shipping turn around was only 3 days from order to my door ' FREE 5837




by: Mike Smith12/24/2010
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Excellant Sevice Ordered, shipped, received. Couldn't have been easier.4591




by: Silverio01/14/2013
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Excellent service very quick delevry time shipped on a Monday revived on Wednesday same week in Toronto Ontario. Very happy. New wheels are replacing a load B bias ply. 63008




by: mark T10/30/2012
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super fast shipping,great products, good prices. the tires& rims look great and balanced out well.easy site to find what you want and need. I have no worries about pulling my camper with these tires any where, I searched a lot of sites wasting time to find they dont have load range D witch should be std in my openion. these guys have an awassom selection of my towing needs at prices I can afford.58382




by: Phil H.10/21/2012
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I bought 2 wheels and 3 tires to replace some old tires on my double PWC trailer. Put both new wheels on yesterday and mounted the extra on an old wheel for a spare. Mounted this to the trailer using spare tire carrier and everything worked out great. The tires and wheels look great and the spare mounted without any problems to the trailer.57803




by: Jim L.10/05/2012
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You guys & gals are quick arrived in only a few days with no delays. Will definitely recommend you to my boating friends. Jim L. Anchorage, Alaska 56475




by: Duane R.09/13/2012
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Just as described, matches perfectly, packed up fast, communication clear through each stage of ordering. Pricing matches or beats most I found. Definitely a company and staff to do business with.54668




by: Derrick (Indiana)08/24/2012
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Ordered on Monday, delivered on Tuesday. Crazy fast delivery! The galvanizing looks like chrome, but the finish is a bit sketchy. Hoping it holds up. Time will tell. Although, for the price you can't go wrong! Great product, great price! Will only do business with etrailer when it comes to trailer parts and accessories!52802




by: David Koob08/01/2012
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Showed up sooner then promised in great condition. Fit was perfect and will test them out this weekend.50123




by: Bob F07/27/2012
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Product was delivered right on time, and was in perfect condition. I would use your company again. Thank You Bob49506




by: Shawn06/29/2012
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Tires arrived extremely fast! I ordered on 6/25 at approx 9pm. I chose standard delivery. They shipped 6/26 early morning from Missouri and arrived at my home in Texas on 6/28 in the morning. That is pretty fast. Tires look good. Rims are not the nicest, but for the price they are great! Time will tell how they hold up.46162




by: Gary O06/28/2012
Is this review helpful?
I recieved this product quickly and the rim and tire assembly look great. They are not installed yet however looks perfect! And this tire has a load capacity of 1610 lbs which is higher then then most other identically-sized tires available, 46069




by: Chris G06/27/2012
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Great Service, super fast shipping. I would definitely buy from again. Buy with confidence.45889




by: Terry w06/22/2012
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One wheel was fin but the other two had very poor galvanizing.45304




by: Mike G.06/20/2012
Is this review helpful?
Good value for the money, but galvanizing was applied in an inconsistent and sloppy way - not even sure entire rim has been properly galvanized. This will be a spare for me, so not too concerned.44935




by: Robert M.06/13/2012
Is this review helpful?
If all dealers were as through and professional as "etrailer" has been with my order this world would be a better place. The quality of items I ordered was top notch. The service you provided was equally outstanding. Your company is outstanding. Thank You44084




by: Dave W06/04/2012
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Just received my wheels and put them on. They are riding smooth!! Shipping was FAST !! Great value for the price. thanks. 42630




by: Michael D05/18/2012
Is this review helpful?
Bass Tracker Boat Trailer had chrome rims. Only a few years on it and it is garage kept. Rust was showing. Found the Rim and Tire combo made out of Galvanized metal to be a much cheaper and fast fix to problem. These tires are great. The price for the mounted set sent was delivered in less than 1 day at miles less than 300 from MO shipper. Saved on taxes, mounting, disposal, shipping. When it is time to replace tires again than would do it over with exact replacement. Chrome on old rims made my Alum boat look dull. No dulling down the rims makes boat look even better. Getting a spare too! The combo height from old to new was about an inch. Old tires don't loose this much rubber. No more excessive bounce when hitting potholes.40939




by: Gabe S.05/10/2012
Is this review helpful?
Ease of ordering, shipping process both very impressive. Tires very good quality as advertised. Rims however seem a bit sketchy--galvanizing looks poorly applied and like it will not hold up--we'll see.40016




by: John Post04/26/2012
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Got the tire on time and packaged in great condition. Same product as in picture/website description. Will definitely buy from etrailer.com again. 38487




by: Ben C.04/23/2012
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13" Karrier load range D radial tire with galvanized wheel on my 2010 Nitro X5. 38127




by: Andy C.04/23/2012
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Just replaced my rims and tires today! 38123




by: Joe S.04/19/2012
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I recieved the tires that I ordered in 4 days (3 - 5 was expected). They were exactly what I ordered. I will use this site again and would reccommend it to anyone!37748




by: Greg Hansen04/12/2012
Is this review helpful?
Outstanding service. Oh... the tire, yeah that was good to! We'll have to wait and see how it fairs over the long haul, but the service was excellent. Polite, efficient, friendly and super fast delivery. Thanks for your efforts. I'll pass the word. Greg Hansen37011




by: Antonio G.01/19/2012
Is this review helpful?
Wow! Tires were delivered within three days without charge and were expertly package in cardboard boxes; received clean and unmarked unlike other tires I've received before. The tires and shiny galvanized rims looked great. The 8 ply tires were properly labeled as to operating restrictions and were exactly what I have been looking for and had been unable to find in any of the major local tire stores. I'll certainly come back to your web site when I'm ready for another set of tires. Thanks for the quick response; now on to the Gulf for some well deserved fishing.29924




by: Don H.11/23/2011
Is this review helpful?
What a great company to do business with. They sent me notice that my free shipping was being upgraded, so I had my wheels and tires even faster than I expected. Best price for around for the same quality products. Thanks, etrailer!!27347




by: charlie g.10/25/2011
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so far so good arrived in 3 days installed on trailer26069




by: Michael T10/19/2011
Is this review helpful?
Wow free shipping and they got all 4 tires to me in two days. Great email on details when the product ship. The status of the shipment and when it got to my front door. The tires are great they are going on a dual axle trailer that has my 21 ft offshore boat. Best prices25814




by: Lorrie09/12/2011
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Best deal for the money, we use them on our boat trailer!23788




by: W. Wood07/22/2011
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Best tire & rim for your money. Fast service and great Price, best I've seen on trailer parts. Thanks19915




by: Jeff S07/18/2011
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Great product right out of the box. extremely fast shipping. Great to do buisiness with19642




by: Mel06/28/2011
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very fast accurate service. Highly recommended site.18127




by: Tony N.06/15/2011
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Great price, quality product, I'LL BE BACK !17055




by: Brian02/28/2011
Is this review helpful?
This is definaltely not the chrome wheel on your truck or fancy trailer.... it is galvanized.... and looks it. From a distance it is fine but up close it is a pretty rough finish. Tire looks good and price is great. Shipping amazing and tracking software is beyond expected. Overall happy but if I had seen the finish up close I probably would have sprung for the AL wheel.... except it would make my truck look worse then it is so... 8093
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