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When you’re pulling weight at speed, you want a setup you can trust. This Loadstar 5.70-8 bias tire and 8" galvanized wheel is rated for 910 lbs at 75 psi and carries a 65-mph speed rating. Both tire and wheel meet Department of Transportation specs, so you can hit the highway knowing your gear is built for real-world conditions.
Saltwater, rain, and road grime don’t stand a chance against its galvanized steel construction. The 8" x 3-3/4" wheel resists rust and corrosion season after season, keeping its strength where it counts. The tough finish makes it a solid choice for setups exposed to moisture or humid environments.
Skip the mounting bay and save time. This combo arrives pre-mounted and inflated to proper pressure, so you can bolt it on and go. The wheel features a 5 on 4-1/2" bolt pattern, 2.8" pilot diameter, 0 offset, and 1/2"-20 bolt size—details that make installation straightforward and stress-free.
The bias ply design uses layers of thick nylon cords crisscrossed at a 30- to 45-degree angle for strong, even flex across the whole tire. That stiffer sidewall gives it stable handling and a smooth ride over uneven or rough surfaces—exactly what you want when trailering across mixed terrain.
If the unexpected happens, you’re covered. This tire includes a 1-year worry-free guarantee—if it’s damaged in any way within the first year, it will be replaced at no charge. That’s backed by a limited 5-year tire warranty and a 2-year wheel warranty for added confidence.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Product was exactly as decribed, nice quality and fast shipping. Thank You.
This is just the tire that I was looking for , and etrailer website is the most comprehensive site for all your trailer needs.
tires were shipped quickly and arrived on time in good order exactly as specified. Looking forward to improved ride on my motorcycle cargo trailer.
Tires and wheels are great. Easy to order. Arrived quickly. Awesome!
They hold air OK. They're advertised as Kenda brand but that is not the brand on the tire! I'd tell you what it does say but I'm inside, and there's a sleet storm out right now.
Bought for motorcycle trailer and road good 1500 miles.
I have great experinence dealing with etrailer in the past and this last purchase was no exception. They are always in communication about my orders with me and my orders always have arrived as expected in a timely manner.
Tires and wheels for a Taylor-Dunn electric service cart
They look great. Thanks for your wheel lug spacing info, it made
Picking the right rim easy!
Tires and wheels for a Taylor-Dunn electric service cart
They look great. Thanks for your wheel lug spacing info, it made
Picking the right rim easy!
Got this tire and rim package deal everything fit as it should I got the galvanized ones could of been dipped or sprayed better I would still order from etrailer.com again package showed up promptly and quick response from sales guy to make sure I had received my package
These tire and wheel combo fit my boat trailer perfectly! The shipping was very fast and the communication was great I highly recommend these people and greatly appreciate their service!!
Tire and galvanized rim look great, 4 stars just because I haven't got any wear experience with the tire. E-trailer service is the best, though. Great follow-up to questions, with personal service. Super shipping.Awesome company to do business with.
I called etrailer looking for help with tires and trailer locks and was very happy with the help and products i recieved.The people at etrailer were very knowledgable and very helpfull and got me exactly what i needed in a very timely manner.Thank You very much as you have a customer for life.
Your website educated me and allowed for the purchase of exactly what we needed to get our boat and trailer back in service. After 10 years of surgeries and rehab, having exactly the tires needed to get the family back on the water is an incalculable joy. Delivery was fast and efficient and the tires were ready for mounting when they arrived. Thanks for all you do and a pat on the back to all those in the warehouse.Will send photos when the project is complete...
Captain Jim
Not a product review. Etrailer commitment to customer service. Placed order, George from etrailer contacted me by email and said product was not instock and gave my a new shipping date. This occurred several times. Months went by and on schedule an email by George saying the product is ready. All I had to do is verify order and it was delivered promptly. Thank you etrailer for staying with the order. Yes I'm a happy customer.
I purchased the AM30150 galvanized wheels and 5-70 C rating tires for my sailboat trailer.I could not find the C rating tire in local stock of any of the tire retailers in my area. I ordered these online from etrailer.com. I found the purchase price to be the most competitive, the size was in stock and the delivery was quick. After one year of service they have no rust and they have performed well with no visible wear.
Galvanized rim looks really nice. Not just a cheap sprayed on look but thick, smooth and clean. Tire with 6 bias ply and “c” rating should keep trailer sway away. I am very pleased with what I can see. Won’t be using till spring but hoping smaller size tire will improve shallow launches. Current supply chain issues created a long wait but etrailer consistently and appropriately kept me in the loop with expected timeline updates and alternative options. I am glad I had the patience to wait for this wheel set and certainly appreciate the customer service of etrailer
I purchased these tires & wheels to use on a small boat trailer. They are working well and I am happy with my purchase (as always with e-trailer).
Doug P.
8/10/2020
I am still happy with the tires and wheels a year later. I cant say they have a lot of milage as I keep the trailer a few 100 yards from the boat ramp. But no problems or complaints.
Wheels and tires came fast and already inflated. Just had to get out the jack and they were on in ten minutes. etrailer is the best.
Richard
11/14/2020
15 trips and 3000 miles later and the wheels and tires are working out great. Minimal tread wear. I’m ready for another year.
The tires are perfect. Delivery was a little later than originally quoted but once on the way they arrived as shown.
Very happy with email updates and final item delivery.
Looks and functionality. Now tires are rated correctly for pop-up!
Thanks for your excellent help.
Bruce M.
Bruce M.
8/24/2018
As you well know camping in a popup is spuraic at best. They wintered well parked on boards and covered. We traveled approximately 1500 miles with no issues and no lose of pressure. They still look and act new! We will be retiring this camper this season and will sell with great looking tires and wheels. Next camper is a used hybred with 14 tires!
All lolls good and came quickly
This tire and wheel is the prefect combination for an upgrade in size and performance specs without having to go to a much larger profile tire and larger rim. The size profile also makes it possible to use with the existing fenders still maintaining safe clearance with a huge gain in weight rating from just under five hundred pounds of capacity to over nine hundred pounds of capacity. The larger tire diameter also achieves an additional inch increase in ground clearance for the trailer which is a plus for avoiding potential road hazards. It's a safer more capable wheel and tire compared to the original set that came installed on the trailer by the manufacturer. More peace of mind and a greater comfort level when transporting my small boat.
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Victoria H.
4/8/2025
It was meant to be Steve!