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BANGKOK 21 July 2019 15:46

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Does anyone know where i get tires for my Honda ST1100 European? Bridgestone BT023 120/70/ZR18 & 160/70/ZR17 have been recommend but i doubt i will get those. There are an odd size so not very common.

Screen Shot 2019-05-22 at 19.20.25.png

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iMoto,

the above referenced shop

should be able to help.

 

iMoto.png

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Posted (edited)

Thanks squire...you need to read your emails!😉

Edited by Golfhack

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On 5/22/2019 at 10:18 AM, spidermike007 said:

Any Michelin tire is going to be an improvement over the tires that came on your bike, from the factory. I love Michelin tires. Typically, that is all I buy for my cars. Have had Michelin tires on my bikes, and they handle well, and they last for a long time. Now, I use Pirelli Diablos. Great tires. But very soft, so they do not last long. 

 

I'm a Michelin tire fan (car) as well as they've never  fallen below my expectations.

 

I only wonder why you decided to use Pirelli Diablos when you were happy with Michelins?

 

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I'm beginning to have second thoughts about replacing my tires.  Looking at them, they look almost new; the main reason I'm considering replacing them is due to their age, manufactured 2113, May 2013, six years ago.  Take a look at the pictures and tell me what you think:

 

 

CBR 150 Tire Pic 1.JPG

CBR 150 Tire Pic 2.JPG

CBR 150 Tire Pic 3.JPG

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3 hours ago, spidermike007 said:

Those tires are in great condition. Use them, and enjoy them.

+1.

Wot he said.

Nowt wrong with them, EXCEPT.... jeez geez, has this bike been even remotely leant over, or only ever gone in a dead straight line?

Or virtually zero mileage?

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Yeah, I've got a little over 1,700 km on these tires so far, mostly just driving around Pattaya and an occasional run in the countryside usually no longer than 45 minutes to an hour at a time, no long distance runs and fairly straight roads for the most part.

 

The only reason that I was considering replacing them was due to their age, 6 years.  I assumed that the minimal wear may have been due to the tire rubber hardening with age.  I had read that over time, the oxygenation of the rubber causes the tires to dry out or harden and become brittle over time and wear less than a newer tire, but they will also lose grip.  Oxygenation can also eventually result in cracks in the tires particularly on the sidewalls, none of which are present in my set of tires since my bike has always been store in a fully enclosed garage and only seeing the sunlight when I go for a ride.

 

I drove down to the tire shop yesterday afternoon and showed him my tires and of course, he recommended that I replace them due to age, not surprised since he is in the tire selling business.  I considered it, but when he unwrapped the new tires, the back tire was manufactured 1718, 17th week of 2018 and the front tire was from 2017 stock so I passed on these.  He offered to order new ones for me, but I was undecided and having second thoughts as to whether I needed to change them or not.

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A picture can't tell us how hard the rubber got and if it will explode, deflate etc at any point in time. The good thing that I can see is that there are no cracks yet.

 

The best way to see if they are still useably is first to touch and see how the rubber feels, then go for a slow and easy ride and after warming them up a bit, see how they handle. Since your bike probably doesn't have ABS (or does it?), lock up the rear and check two things: 1. How easy is it to make the rear lock up? The easier, the less grip the thing has. 2. Does it produce a lot of strong smell when skidding on the asphalt? In my experience an old brittle rubber will produce a lot more nasty "burn" smell than a fresher rubber.

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  • Haha 1

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As they say, go with your gut instinct... If you feel the need, then you need to do it...  You're the one riding the bike.

 

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Get some rough sandpaper and sand the road contact areas.

Be ready to race then.

 

 

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5 hours ago, eisfeld said:

A picture can't tell us how hard the rubber got and if it will explode, deflate etc at any point in time. The good thing that I can see is that there are no cracks yet.

 

The best way to see if they are still useably is first to touch and see how the rubber feels, then go for a slow and easy ride and after warming them up a bit, see how they handle. Since your bike probably doesn't have ABS (or does it?), lock up the rear and check two things: 1. How easy is it to make the rear lock up? The easier, the less grip the thing has. 2. Does it produce a lot of strong smell when skidding on the asphalt? In my experience an old brittle rubber will produce a lot more nasty "burn" smell than a fresher rubber.

When I bought my CBR back in 2017 from my neighbor's wife, I actually bought two of them, same year 2013, a white CBR-150R an a red one.  I kept the white one with 4 kilometers on the odometer and gave the red one with 8 kilometers on it to my wife's son.  He and his wife rode down from Chonburi for visit arriving last night.  I went out to compare his tires, same model, to those on mine since he has already racked up over 16,000 km on his bike.  His tires are pretty worn as you would expect, but the tread still hasn't worn down to the wear indicators although it appears that his bike's tires have lost a little of their roundness.  Rubbing the tires with my fingers, his tires feel fairly smooth as compared to mine which feel more textured.  Even those his bike has been parked outside for the most part, I still didn't see any cracks along the tread or the sidewalls and near the rim.  The OEM IRC Road Winner RX-01 tires may not be the best tires for grip, but they sure are durable.  It's my understanding that they are manufactured with a fairly hard compound for long life and after 6 years, the rubber is probably even harder, maybe bulletproof (lol).  

 

A couple of days ago I was out riding and I was following a pickup truck pulling an empty trailer driving slowly up a hill.  Right when I pulled out to pass, he began a right turn, no signal (TIT).  I immediately hit the brakes and the wheels locked up, mostly the back brake.  Luckily, the truck driver saw me in his mirror and stopped at the halfway point in the turn before the trailer began it's turn and I stopped about a meter and a half from the side of his pickup.  I looked back and saw a broken black mark on the pavement as if the tire/tires had skipped along the road; the road was kind of rough and bumpy.  This is the second time I've had to lock up the brakes on my bike, both times it appeared that it was the back brake that mostly locked up; my CBR doesn't have ABS.  In both events, the tires didn't produce any type of smell at all that I could tell and after inspection, there was also no wear spots.  Of course, in both incidents, I was not travelling at high speed, but fast enough I guess.

 

I guess, at this point, it all boils down to whether I have confidence in these tires or not.  I guess that a certain lack of confidence in these tires due to their age and due to the many reviews I've read about these OEM tires not being very grippy has made me very reluctant to lean the bike at higher speeds in turns.  Maybe this alone may be reason enough to replace the tires.  If I can get new tires for Baht 3500 that would instill more confidence in my tackling curves and such, it might just be worth it even if my old tires still have a lot of tread left on them, just saying.  This is what I will have to decide for myself.

 

Thanks for everyone's suggestions; I'll post again if I change out my tires and let you know what I think of the new ones.

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Do I see cracking in the central groove in the second picture?

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Buy new tires for both bikes.

IRC for you;

Mich for junior.

That would be best.

/////////

Nice work on the e-stop.

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Posted (edited)
46 minutes ago, papa al said:

Buy new tires for both bikes.

IRC for you;

Mich for junior.

That would be best.

/////////

Nice work on the e-stop.

Thanks!  Yeah, I'm thinking about going for the IRC iz's; they are constructed with a soft to medium compound and are being advertised as a sport touring tire.  They won't have the long life of the OEM IRC's, but then again, I don't plan to put more than 2 or 3 thousand kilometers per year on them anyway so I don't need the harder compound.  My wife's son wants my old tires.  Since he's put over 16,000 kilometers on his bike in approximately 20 months and being that my tires are still in great shape for their age, maybe he could run them for another year putting another 10 thousand kilometers or so on them before replacing them with new tires.  If I kept them on my bike, I would probably not put more than 2 or 3 thousand on them.  At least the tires would get some use out of them then replace them at 7 years of age.  Anyway, that's what I'm thinking.  Who knows, we might both decide to replace our CBR's in another year.  The CBR is ok running around Pattaya, but I would like to have something a little more powerful, especially something that produces a little more low end torque and power from a low to mid range rpm.  As you know, the CBR doesn't produce max torque until 8,500 and max horsepower at 10,500.  I seldom get above 9,000 and mostly run between 5,000 and 7,500 range.  My bike turns right at 7,000 at 100 KPH.

 

I talked with the guy at the moto shop and told him that since I don't ride all that much, the date of manufacturer is important since I'll probably reach an age milestone before the wear milestone so I asked him if he could specify the year of manufacturer when he place an order.  I told him that I would like 2019 manufactured tires or worse case late 2018 tires and he said that he thought he could so I may go down early this coming week and place an order.  Also, you were right, Baht 3,500 mounted and balanced.

Edited by PattayaDavid
Added text
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