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Discussion Starter #1
I saw a mention of these tires on the tire thread, but I think a lot of people will miss it if it's isolated to that thread.

I often ride off the pavement onto rough roads -- sometimes very rough -- on my DL1000. So for me, the quest for the perfect dual-sport tire -- good for a long haul on the highway, and good on dirt or rough roughs -- has continued unabated.

Just to get it out of the way, I can't make myself go the Continental TKC 80 route. Just seems like a long slab-riding stretch would vibrate you to jelly, and would wear down the tire more than is acceptable.

I pretty much decided by looks alone that the Heidenau K60 is as close to a 50% street/50% dirt tire as you can get. However, availability in the correct size and TREMENDOUS COST have prevented me from trying them.

Next in line for me was the Shinko 705 radial. Not because it was that close to the Heidenau tread pattern -- it's not, it's more street oriented than the Heidi, perhaps 75% street/25% dirt -- but because it looks far better than the stock Trailwings and is CHEAP. For cheap, I can lose some dirt capability.

I had decided to blow the dough for a K60 front ($150) and a 705 rear (about $90) when I came across the Fullbore Adventure-Touring radial tire.

Full Bore Tires - Adventure Touring

These tires cost the same as the Shinko 705's in V-Strom size, are made in the same factory as the Shinko 705's, but differ from the 705's in exactly the way I wanted -- the same way that makes the Heidenau K60 better than the 705. That is, the gaps between the tread blocks on the Fullbore Adventure-Touring tires are slightly wider than the 705 gaps.

This makes the Fullbores look more like a 70% street/30% dirt tire, perhaps even more capable in the dirt than that.

So I ordered a front and rear for my 1K. If anyone else takes the plunge -- or already has more experience with this tire -- please let us know. For my part, I'll be telling you what I think when I get some miles on these things.
 

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Not sure how you decided that the tread has a wider gap. From the photos and other info. it appears to be the same. They show no R in the sizing(150-70V 17), so my assumption is that they are coming from the original bias ply mold. The radials at Motorcycle Superstore run(F $73.99 R $83.99) and I couldn't find a price on the Full Bores.
 

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Discussion Starter #3
tread gap, price

The gap looked wider than the 705's in the photo, so I actually called the guy who owns the mold and the company, Peter Vatrano, who confirmed this.

Regardless of gap size, there more tread blocks for the surface area when compared to the 705's, and the larger the tread block, the less the performance on dirt. So I would prefer the Fullbores over the Shinko 705 on that basis alone.

Unless Fullbore is lying, which is inconceivable in this situation, the tires are definitely radials, as confirmed by their name and Fullbore. Also, note that their M41 tires are, by comparison, listed as bias. The tire code listed on their side shows only the V, which is the speed rating. Higher than the 705's by the way.

As for pricing, they are virtually identical to the Shinko's -- I got front and back tires for $170 out the door from Temecula Motor Sports (California). There's a list of distributors on the Fullbore website, but in most cases these are regional distributors, so you'll have to ask your local MC shop to hook up with them to get your tires.
 

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"Japanese engineered and precision manufactured to deliver top performance."

Does that mean they're made in Japan, or engineered there, and produced somewhere else? Like maybe China?
 

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If tread gap was the only basis for a well-performing dirt tire, your rationale would be perfect...but compound has a lot to do with that, plus the angle of the tread cut has some play in performance.

For the $$, the 705's front and back are actually really really nice all around tires, they're very good in loose stuff, I've hit quite a bit of mud in them and tractored through without much slip, nearly as good as a TKC80 did on my Vee, which blew my mind.
 

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The pictures of the Full Bore M-40 radial look exactly like the pictures of the Shinko 705 radial.

Shinko is a Japanese company that has their tires manufactured in Korea. Full Bore might be the same tires with another distribution organization.

FT, you might have made a good find. Pls keep us updated with the performance of the Full Bore tires.
 

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Discussion Starter #7 (Edited)
Fullbores not same as Shinko 705s

First Swingset -- right, I'm saying rubber compound being equal, the closer the tread moves toward a knobby, the better in the dirt. And yes, a lot of people seem to like the Shinkos. I still think they're probably a great buy if you're trying to improve the dirt-worthiness over the stock Trailwings.

Cascade Wanderer -- They are made in S. Korea. The molds were spec'd by Fullbore and owned by them. Probably made for Fullbore by Shinko.

As for the Fullbore A-T's being the same as the Shink 705s, they are very similar but not the same. When I google a good "full length" photo of the 705s in Strom size, then compare with this photo of the Fullbore M40:

http://traxms.com/MT_083-RT411-p-Motorcycle_Tires_Street_FullBoreUSA_M40-M41-Adv.html

... there are more tread blocks on the Fullbore (14 versus 10 for the Shinko 705). Two things, however -- maybe I'm not looking at equivalent size tires. And on close inspection the gaps look the same width. I guess I'll have to wait until I take delivery and measure them. But if I'm right, I'll be getting smaller tread block size and bigger gaps (more like the K60s). So at worst I'll be getting more blocks with equally large gaps, which should translate into better dirt grip. If I'm wrong, what the heck, I still get the equivalent of the Shinkos at the same price. We'll see.
 

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Not sure how you decided that the tread has a wider gap. From the photos and other info. it appears to be the same. They show no R in the sizing(150-70V 17), so my assumption is that they are coming from the original bias ply mold. The radials at Motorcycle Superstore run(F $73.99 R $83.99) and I couldn't find a price on the Full Bores.
Actually, when I looked at the link the original poster gave I found that they are listed as radials, for instance Full Bore lists the tire as:

150/70V-17 M-40 Adventure Sport Radial

110/80V-19 M-40 Adventure Sport Radial

I will be curious if anyone can compare these to the Tourance (not exp) which seem to be a well reviewed similar tire. Personally they look more 50/50 than 70/30? From pics these are mild knobbies that probably give much better wear than fuller knobbies like TKC 80 or Karoo. Not to pick a fight over details, but after running a few sets of TKCs I'd consider them a true 70/30 tires which cannot match the off road grip to a 90/10 tire like the Pirelli MT21 (not available in V-strom sizes unfortunately). Further, no DOT knobbie, even the aggressive MT21, can match a pure dirt tire in mud or deep sand. In the world of dual-sports we must accept the best compromise for our specific and usually competing needs.
 

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Back in the dirt days I went for meanest knobbies. Usually Yokohama super diggers which have every other center knob missing and it looked like a giant gear.

Then I started riding with an old enduro rider who used cheap trials tires. He went everywhere rocks, mud, water etc. I had the tiniest advantage with giant knobs over the bowling ball side rocks here in Connecticut. Other than that it made no difference. I would also believe if you were in gumbo mud that knobs wouldn't fill up as quickly.

So I concluded for myself that gap size is unimportant especially on road type dirt. I might be convinced that the number of edges on the ground is a help but not the missing rubber
 

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Discussion Starter #10
gaps vs knobs

Richw makes a good point. The problem is language -- I used "more gap" in the original post to describe how the 705's might be improved if you kept the original tread block layout. I tried to clarify the description of an improved tire by saying "more like a knobby" is better on dirt in a later post.

Again, I think the (expensive) Heidenau K60 looks like the optimum 50% street/ 50% dirt tire:

tiger 800 xc tyre's
and
XtremeShack.com - Free Image Hosting by XtremeHardware-HEIDENAU K60 SCOUT.jpg

The newest version has a thin continuous center strip of rubber which should cut down on buzzing/vibration at speed on pavement.
 

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fullbore V rating

Also interesting to note that the fullbore's are V rated and the shinko's are H rated. I'm running a shinko radial now, but am watching keenly on the rear's tread blocks for seperation. If you can could you post a picture of the tire size an specs stamped onto the sidewall? how about a shot of the lug width and spacing?
 

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I'm thinking Shinko knock-off, particularly at the price stated. That would still make the tires Japanese engineered in the mind of some marketers (Vince the Slap Chop/Shamwow guy?). If the Chinese can build a Mercedes that could fool you, I'm pretty sure they can get their head around a Shinko 705. I suspect manipulating the tread pattern bit would be a simple way to get around a patent (therefore discrediting my knock off theory...but I'm no lawyer) .

Red Flag: Tire industry lexicon for a radial is the letter R included in the tire sizing, not the word radial written on somewhere on the sidewall.
 

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Discussion Starter #14
Fullbore tire stamp, etc.

Fullbore seems perfectly legitimate to me. Check out their website, fullboretires.com

Picked up the tires a couple of days ago.

Embossed on the front is
M-40 DOT H6 7V MDJ FRONT RADIAL 110/80R19 M/C 59V TUBELESS

Embossed on the rear tire is:
M-40 RADIAL DOT 3P MDJ REAR 150/70R17 M/C 69V TUBELESS

Now that I'm comparing similar-sized tires, I see that the tread pattern is nearly identical to the Shinko 705. The only difference I see is that (1) the Fullbores have a slightly larger tread block pattern on the edge, and (2) more importantly, a higher speed rating of V (149 MPH).


The gap width seems the same -- on the rear tire, exactly 1/2" between the larger central tread blocks. Tread depth on the same tire is .320" measured with a micrometer. This corresponds very closely with the reported tread depth of the Shinko 705 rear tire.


The tires look excellent. We'll see how they wear. In any case, I suspect the Shinkos will continue to rise in price as more dual-sporters buy them, so we have a competitor that, potentially, will serve as competition. Can't be bad.
 

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tire psi?

Thanks for the report, one thing that concerns me is that there website posts that "32psi is recommended on all tires". I feel that would be pretty low for loaded touring on hot pavement. the "V" rating should mean that the tire can handle more heat, but I think more pressure on road would help tire life and operating temps. I've been impressed with my 705 radials, especially the front in loose stuff. I will say that it did take me some time to get used to the bike "falling in"on the corners. much different than the Tourance's which were more neutral feeling. overall if the rear can hold on for 6,000miles I'll be satisfied. It's nice to see another option available. When I need another rear I think I'll try the Fullbore.
 

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Discussion Starter #16
Fullbore tire pressure

That 32 psi must be a typo.

Both of my tires say max pressure is 42 psi.

This corresponds to the reported revised max pressure for the Shinko 705s, front and rear. Shinko apparently decided its first recommendation was too low -- can't recall where I read it, but you can ixquick it.
 

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link to tire psi

Here's where I got my info
Full Bore Tires - Motorcycle Tire Air Pressure Chart

I think this page poses a problem, and may not apply to the new adventrue tire line.

I believe the max ratings on the tire psi are to cover max weight limits at speed. I run 35front and 38-40rear.
 

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Discussion Starter #18
Not for new tires

Right, I think that 32 PSI is for his tires before the A-T's arrived. I emailed him about it, will let you know what he says.
 

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I too emailed Fullbore and got my questions answered from Peter. Fellow Traveller got the same info I did.

When my BW's wear down this summer, I'll likely give the Fullbore's a try. Same factory as the 705's, just made to a little different spec. so the rubber lasts longer at higher speeds.
 
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