What is the actual size of these tires? I'd like to put them on my 400ex, but don't want to pay $250 for these from NACS or JLATV. Going to try looking around at some of the local tire shops but need the actual tire model number and brand. As always, any info appreciated. Oh yah, if all else fails are they worth the money for MX in loose dirt / sand terrain. It seems a lot of the 250r guys run them around here but they also have turf tamers in the rear which I've heard are better on hard pack than soft, so who knows they could be just running what everybody else has regardless of what is best for the terrain.

 

They do not make rikens any more the brand i see alot are the marshall but remember if you buy them from a tire dealer they are not going to be grooved like the ones from nacs etc.. east coast atv also has them in stock. they are great tires for mx they hook up really well

 

I too am interested in buying the tires from PEP-BOYs or Walmart, and grooving them myself. I've seen inexpensive groovers for sale.

These tire would do lousy in the sand because they are so hard and skinny.

The size I've seen advertised is 145x10 (but that is missing an important number; like 65 or 75). What I plan on doing is going to the tire store with a measuring tape! They're probably made for the '70s Honda Civic or Austin Minis.
Good Luck!
Fish

 

I bought tires from a local dealer a few years ago. They were pirelli size 145 sr10 68s. They are very hard to find now also. These 10" tires were OEM on the Renualt Lecarr. I gave up looking and switched to fast trekkar fronts when I busted one of my radials.

 

I have spent months trying to find these tires and the tire dealers keep giving me blank stares. They can get a 12" or an 8" but have never seen or heard of the 10". They have all said that they cannot get them. If you find a place that can get them then let me know. I am very interested in them. the size that I was given was a 145/80/R10

 

The brand on the side of my radials from NAC's is CAMAC model NC80 size 145R10 hope that helps.

 

Well, these tires are made in Europe for small European cars. There are several brands; Pirelli, Riken, AVON, Kumho, Yokohama, CAMAC and Marshall. You can expect to pay about $68 for grooved ones and about $53 for ungrooved. I seriously doubt that you will be able to buy these tires from any tire dealer, believe me I have tried them all. As far as the best places to use them, it would have to be hardpack. They are pretty much worthless for anything other than that. If you are not racing MX the don't bother with them, they are too expensive and they won't wear as long as the Titan Fast Trekkers. The reason they are used for MX is because they are about 19-19.5 inches tall as opposed to the 21 inches of the anything else. They lower the center of gravity, plain and simple. The square profile helps with traction, but the Fast Trekkers are square profile and they work awesome. I have Fast Trekkers and Kumho radials and I must say that you really can tell a big difference with these tires especially in the steering, but I ride on hardpack almost exclusively. The smaller grooved radials turn much quicker. I don't know if anyone else knows any more about this, but ITP is coming out with some tires to replace these radials. I assume that they will have the square profile and the smaller diameter, as well as a much lower price tag. I have heard that the new Holeshot MX tires are pretty awesome, so I may try a set of those as well. Good luck with your tire search.

 

I also heard that ITP was coming out with a tire to compete with these. It's about time! Right now I have 18" fast trekkers on the rear and 22 inch hole shots on front, feels like I'm sitting back in the lazy boy watching motoworld. Anything that is a relatively soft tire with comparable size would sell like hotcakes.

 

if they work as well as their holeshot mx tire they will be wonderful. I love the holeshot mx tire.