Period tires: Dunlop TT100 vs Avon Roadrunner

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Steves said:
The 4.10 is made in France, says on my sidewall. I did have a 3.60 on the front which said Japan. Not saying that they are not made elsewhere, I think they are popular in SE Asia which probably means if true that they make them there.
As far as wear goes the rear is good for a thousand miles before white line squirming, will last another thousand miles. The front lasts a lot longer and while the rear wears on the centre, the front wears on the right side (UK). Still a good tyre on the Norton, though to be fair I have not run the Avon so.........
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Yes for several year K81 4.10/19 = made in France (Montluçon) and 3.60/19 = made in Japan.
Rear 4000 miles,front 12 000 miles.
 
I got Madass 19” alloys both ends with K81’s .... looks right, rides right ....guess I already posted info above , sorry , maybe those who just skim will catch this entry ....
 
Fast Eddie said:
You replied to my comment...
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But was I referring to you or the people you quoted? I know you're onside because of previous comments made about my rim/tyre combinations. It's funny how other people view my/your choices. I have never taken this much stick before about using a manufacturer's recommendation.
 
Fullauto said:
But was I referring to you or the people you quoted?
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I read it as a reference to me.

Happy to be wrong!

I’m still a firm fan of the Roadriders on Avon’s specified rims widths FWIW.

The mileage is impressive too... at least on my bike... I’m changing pistons more often than tyres...!
 
Fast Eddie said:
I don’t ride much in the wet these days cos I just can’t be arsed. So I can’t comment on the RoadRiders wet performance, because my wet performance is so low! But in all other regards they are fabulous tyres. I use mine on road and track and would need pretty firm, cast iron personal recomendedations before I even considered anything else.
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I am very happy with my Roadriders mounted on WM3 rims, 18 rear.

I have had them all day at a 70mph gallop in pissing rain in coastal twisties, and they cant be faulted. Just as confident as i was in the dry.
 
Fast Eddie said:
I read it as a reference to me.
Happy to be wrong! The mileage is impressive too... at least on my bike... I’m changing pistons more often than tyres...!
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What!!- you are getting MORE than the 15,000 miles on the rear which is what I was getting with a now obsolete Conti. ?
 
Bernhard said:
What!!- you are getting MORE than the 15,000 miles on the rear which is what I was getting with a now obsolete Conti. ?
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I don't see tyre mileage as an issue. Like I've said before, most tyres on Commandos get changed because they are old rather thn worn out.
 
I just changed my original Avon GP front tire last year, 21,000 miles on it. It was however in long storage for 28 years. Believe it or not it held air all that time but was cracked up bad. After I got the bike running I test rode it but didnt go over 35 mph because I didnt want that tire coming apart. I replaced it with a Dunlop D404 .This year I will put the matching Dunlop on the rear and replace the rear brakes. 73 roadster. I kept that original tire and it hangs on my shed wall.
 
Some remarkable mileage being quoted. I think we must have abrasive roads here in SE Briton.
 
Steves said:
Some remarkable mileage being quoted. I think we must have abrasive roads here in SE Briton.
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I did 6100 miles once in the past on a super venom on a rear (install-to-bald) It is the rear tire that takes all the wear. That is why I cycle my front AM26 to the rear wheel when I wear that wheel down to the wear bars. Fresh skin on the front always. It keeps the rubber always fresh for heavy braking. I replace a new tire about once a year on average, unless I go on long road trips. I also use the 2.5" 19 morad rim.
Cheers,
Thomas
 
Steves said:
Some remarkable mileage being quoted. I think we must have abrasive roads here in SE Briton.
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Once tires get really old and hard they will run for a long time, just don't try cornering fast!
Ive got a couple of takeoffs like that. My 650ss had new Dunlop tires put on in 99 when the big restoration was done ( Ontario Vintage Motorcycle Lottery bike). The fellow who won the bike was not a motorcyclist and only put a few hundred miles on it in 14 years.
When It arrived I peeled the new looking but hard as rocks Dunlops off. New soft Roadriders went on, grippy as could be but they do wear quickly. Im on the second Avon rear, still first front but both are ready for replacement again . And this is a bike I dont ride much!
Meanwhile those new looking Dunlops are still sitting here. On some very frugal days it's tempting to install them and get the wear. I'll bet they would run a long, long, slippery distance!
At about 55 Rockwell Hardness CScale, they will be instead be used to hold the tarp down on the compost pile.

Glen
 
Dommie Nator said:
"Back in the Day" Depending on which day I guess. Looks like Avon Roadrunners and Avon GPs were fitted on this day.
I thought GPs were rear only tyres, looks like I was wrong. Photos are from Wolverhampton and Mk III 850s.

I use Roadriders now.

My first ‘72 750 Roadster came new with Avon GP tires. Bike came from the San Bernardino, Ca dealer Bill’s Cycles. They were awful. Changed to K81 immediately.
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worntorn said:
Once tires get really old and hard they will run for a long time, just don't try cornering fast!
Ive got a couple of takeoffs like that. My 650ss had new Dunlop tires put on in 99 when the big restoration was done ( Ontario Vintage Motorcycle Lottery bike). The fellow who won the bike was not a motorcyclist and only put a few hundred miles on it in 14 years.
When It arrived I peeled the new looking but hard as rocks Dunlops off. New soft Roadriders went on, grippy as could be but they do wear quickly. Im on the second Avon rear, still first front but both are ready for replacement again . And this is a bike I dont ride much!
Meanwhile those new looking Dunlops are still sitting here. On some very frugal days it's tempting to install them and get the wear. I'll bet they would run a long, long, slippery distance!
At about 55 Rockwell Hardness CScale, they will be instead be used to hold the tarp down on the compost pile.

Glen
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Do tyres age through time, or work hardening?

I have always understood it to be time, meaning that even an unused old tyre will have gone from sticky rubber to something resembling Bakelight...
 
There was an article cut from some paper pinned up in a local bike restoration shop about a bloke who had restored a Veteran bike and refitted the original tyres back on as they were obsolete. They ended up killing him.
 
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