Shinko 705... Radial or not?

Butterthebean

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Thinking of trying the Shinko 705's for my next set of tires. Is it worth it to pay the extra money for the radials or not?
 

TOS

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Radial for me...
I got 6,500 miles on the Rear and will probably get 10K on the front.
No complaints with traction or anything either.
 

BWC

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The 705 radial version here also. They were mounted up for a Western Canada-Mexico ride in the fall of 17.
First time trying them and was quite pleased with the wear and handling. I was a little surprised that they were a bit noisy, not as bad as the Mitas E-07 that I normally run but I didn’t expect it by the tread pattern.
They were mounted up about 500 km before I left and did the 7300 km ride nicely. Ran 38F & 42R for the ride.



 

Butterthebean

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There's a huge thread about the 705 on advrider.com. Apparently they used to make it in a bias ply but not anymore. Not sure what that one on Amazon is, but it doesn't have the "R" designation in the title. Maybe that's just a typo... I don't know.
 

OldRider

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There's a huge thread about the 705 on advrider.com. Apparently they used to make it in a bias ply but not anymore. Not sure what that one on Amazon is, but it doesn't have the "R" designation in the title. Maybe that's just a typo... I don't know.
That's sounds correct.

So the discussion has to be should you run a Bias ply or a radial on the front to match the radial on the rear. In my opinion the only reason to run the bias ply would be to save money. Even though OEM's mix and match bias ply & radials on new bikes on the showroom floor, it has always been my understanding that you should run tires of the same construction on both ends.
 

Butterthebean

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That's sounds correct.

So the discussion has to be should you run a Bias ply or a radial on the front to match the radial on the rear. In my opinion the only reason to run the bias ply would be to save money. Even though OEM's mix and match bias ply & radials on new bikes on the showroom floor, it has always been my understanding that you should run tires of the same construction on both ends.
Well for just a few extra bucks I can get the radial front so why mess around? I'd rather just go with radials front and rear. I've heard the same thing about not mix and matching but I have no idea if it really matters or if it's just internet lore. I've done a lot of things with motorcycles that the internet or some other entity said would not work... and I made it work. But I see no reason to mix and match here...not to save just $20.
 

okiesaki

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When I first started using the 705's a couple of years ago I made sure I got the radials because I ride loaded (with gear,not beer) and have traction control disabled often. With that type of abuse the bias was not an option for me for the $10 to $20 difference in price at the time. The bias worked fine on a middleweight dualsport with no luggage but not a loaded down tenere with passenger. I get 12k from a front but only about 4k from a rear which is my fault.I think the rear is a 6k tire if used responsibly.
 

RCinNC

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I think the issue with mixing the tires is that the sidewalls of a radial flex in a different manner than those of a bias ply, and can decrease the level of performance in the way a bike handles while cornering hard. The general rule I've always heard is that, if you're going to mix tire types, the bias ply should be in the front. Some Harleys come with this combination directly from the factory.

There is a good reason to run bias ply tires, if you do a certain type of riding. One reason the old E07 Dakars were popular was because the sidewalls were four ply, which meant that you could air them down really low for rough riding without the fear that a hit on a rock would collapse the sidewall and damage the rim. Bias plys as a rule also have a higher load carrying capacity, again because of the stiffer sidewall. You don't get that same sort of sidewall stiffness with a radial, which is one reason that radials are on high performance bikes, where the relative flexibility of the sidewall is an advantage, because that flexibility allows more of the contact patch of the tire to stay on the ground. A radial tire can also have a lower profile with more usable tread area because the ratio of the sidewall to tread portion of the tire can be different than what's required on a bias ply. Radials also dissipate heat faster than a bias ply, which again is why they became popular originally on racing bikes.

My two favorite tire types so far have been the radial Shinko 705's and the bias ply E07's. Both have their own strengths (although the new E07+ may have lost one of its main selling points for me, if reports of longevity I've been hearing are true). I love the Shinkos, and they'll probably go on my S10 this spring when the E07's come off.
 
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