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Buell Motorcycle Forum » THUMPer Forum » Buell Blast Thumper Knowledge Vault » Wheels & Tires & Brakes » Tires: » Pirelli Tires » Archive through August 10, 2008 « Previous Next »

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Reuel
Posted on Monday, April 28, 2008 - 10:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are the new Stocks MT-75 or something else?
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Ezblast
Posted on Monday, April 28, 2008 - 11:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes - MT-75
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Totolandman
Posted on Monday, April 28, 2008 - 12:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The MT-75's are super sticky and I would never trade that for more mileage especially when you are talking less than $60 a tire to replace. The Metzeler Feel Free Moto tyres from Italy I just ordered are even more sticky and were developed for wet climate conditions.

I just picked up another set of wheels (front and rear) off of eBay for $30 each and will have the old tires removed and then I am shipping them off to be plated and chrome polished. I purchased the Metzeler Feel Free tyres from Italy and I expect them to be awesome and those will be installed on the new chromed wheels. I am also sending the rear swingarm, pivot bolt, primary cover, and gear cover I purchased from the same guy off of eBay as well to be plated and chromed. Pimping out this Buell for my wife as I am ordering a 2009 HD Softtail Rocker-C.
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Reuel
Posted on Monday, April 28, 2008 - 12:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was using the Avon AM-51 and AM-52 because they were sticky once they warmed up, but lasted about 1000 miles longer than the Pirellis. I'm trying the Roadriders, which seem pretty good, but I'm seriously contemplating going back to Pirelli next time. I had them before and really liked the stickiness!
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Ezblast
Posted on Monday, April 28, 2008 - 01:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The Viperstykes are a nice compromise between the two.
EZ
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Reuel
Posted on Monday, April 28, 2008 - 03:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

'Tween which two? That's 3! Can I just change the front tire to Viperstryke and stick with the stock sized Roadrider for a while? I bought 2, but didn't get a front tire, like the dummy I am.
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Ezblast
Posted on Monday, April 28, 2008 - 03:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Between the Avon AM51/52's and the Pirrelli MT-75's - the Viperstrykes come in stock sizes as well.
EZ
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Xgecko
Posted on Tuesday, April 29, 2008 - 11:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've gotten a ton more mileage out of a Viperstryke than I ever did from a AM-52...I think I'm over 8K miles on the rear
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Gbaz
Posted on Monday, May 05, 2008 - 09:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pirelli Diablo
Front 110/70P-16
Rear 140/70P-16












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Ezblast
Posted on Monday, May 05, 2008 - 11:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How many miles on them?
EZ
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Berkshire
Posted on Tuesday, May 06, 2008 - 06:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

kewl! any chance you could measure two places on them while they're nearly new? The measurements I'm looking for need to be taken as shown in my April 23 11:15 pm post under the "Wider Wheels" topic.

http://www.badweatherbikers.com/buell/messages/201 64/355142.html?1209073664

I'm trying to put together some comparison data on the tread profile of various tires when mounted on the Blast wheel, which is the reason for needing the odd measurments.

I'm assuming you have stock pegs - if you turn tight enough to drag them, will the tire contact the road (wear) all the way to the edge, or is the wear shown in the above pics the farthest over it will go?
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Gbaz
Posted on Tuesday, May 06, 2008 - 07:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

theres maybe 200 miles on em, and i dont lean it over enough to drag the stock pegs. ill try to remember to measure em tonight. i wanted to get the pics before i put the hugger back on. the tires are throwin dirt all over my bags... lol
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Ezblast
Posted on Tuesday, May 06, 2008 - 10:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There is no oversized tire that will wear to the edge - you'll scrape the sprocket first - lol
EZ
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Nimec
Posted on Tuesday, July 29, 2008 - 12:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey guys, Not to hi-jack your convo, But i have a question I cant seem to find answer to. I just put new pirelli diablos on my wifes blast and I dont know what tire pressure to run. Can anyone help? btw they are the oversized 110/70 and 140/70

(Message edited by nimec on July 29, 2008)
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Berkshire
Posted on Tuesday, July 29, 2008 - 08:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OEM spec is 28-32 front, 30-36 rear - lower end of the range is better for a skinny rider, better traction, smoother ride, lower speeds; higher end of the range is better for full load, better mileage, stability, higher speeds - have her test-ride and see how she likes it.
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Gearheaderiko
Posted on Thursday, July 31, 2008 - 01:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Let us know what you think of them. I assume they went on without hammer modification (Gbaz doesnt say)?


Posts moved to tires/Pirelli section
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Nite_blast
Posted on Monday, August 04, 2008 - 05:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm new to the blast world ,just got my kid a 2000 blast to ride the problem is it needs tires and I'm trying to decide on what to get.the viper strykes look pretty good but the pirelli diablo scooter tire is a raidal and rated for 130mph anyone have any experance with this tire? It also comes in a 130/80-16 would this fit with out any mods?
Thanks in advance
RICH
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Gearheaderiko
Posted on Monday, August 04, 2008 - 05:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Only some of the Pirelli scooter tyres are radial, the ones that fit the Blast are not.


I've moved your question to the Pirelli tyres thread.
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Berkshire
Posted on Thursday, August 07, 2008 - 07:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

In theory, the 130/80 is taller than a 140/70 and therefore would rub on the swingarm.

In reality, it may fit - but if you want bigger, there's the already-known-to-fit 140/70.

I think the stock size actually puts more rubber on the road - notice the chicken strips on the 140 in the pics above - that's not because Gbaz takes his corners easy, it's because the stock wheel makes the tread on wider tires curl up around the sidewalls. When mounted on a Blast rear, a 140/70 tire is only about 7mm wider than a 120/80 - not 20m, as the size would suggest. The 120 will put its full width on the road, but after subtracting the width of the untouchable chicken strips from the sub-130mm mounted width of the 140, I'm pretty sure what's left is narrower than the 120.
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Ezblast
Posted on Thursday, August 07, 2008 - 09:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My width measurement on the oversized VS Avons was wider than that.
EZ
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Berkshire
Posted on Friday, August 08, 2008 - 06:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I thought it was 121 0r 122 on the mt75 and 127 or 128 on the 140 am63...?

found it:

"...128.78/121.28 rr and 105.14/102.60fr - that is the Viper in plus size vs stock Pirrelli size..."

Okay, so the 140 was actually 7.5mm wider than the 120 per your measurements, but... how wide is the part that actually touches the road?

Every pic I've seen of a 140 with some road time on it shows huge chicken strips - way more than 7.5mm total, which means less *useable* rubber than an mt75 - a substantial portion of the total tread isn't doing any good. That's how it looks, anyway - I don't have an actual measurement, maybe someone with fresh rubber can measure the scuffed-up part and post.



(Message edited by berkshire on August 08, 2008)
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Reuel
Posted on Friday, August 08, 2008 - 08:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can't take it any more! My OCD has gotten the best of me. They are chicken stripes, not strips, dammit! They're not little strips of chicken. They're stripes that denote how chicken you are.

Sorry. I tried for so long to not say anything...
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Ezblast
Posted on Friday, August 08, 2008 - 11:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'll do it tonight.
EZ
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Ezblast
Posted on Friday, August 08, 2008 - 11:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

4.95cm on the stock, and 5cm on the Avon - so yeah not much more rubber used, but at least I'm not riding the edges - lol
EZ
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Berkshire
Posted on Saturday, August 09, 2008 - 08:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ed, those numbers convert to less than 2 inches - surely the usable tread is wider than that! Were you just measuring the flat spot?

Reuel, are those that what you get if you cross a chicken with a zebra?

http://en.wikipedia.org/wiki/Chicken_strips_(motor cycle_tires)

I think the term may have entered the vernacular precisely BECAUSE it already had another meaning - it sounds "clever" to use it to indicate something else.
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Ezblast
Posted on Saturday, August 09, 2008 - 02:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I took a tape and measured it across - oops my bad - just looked at the tape - that's 10 plus those numbers - it is a dimensional tape - a bit more accurate - that's why I used it - so 14.95 and 15.0 are the correct numbers.
EZ
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Johnnymac
Posted on Sunday, August 10, 2008 - 12:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't have my pics I just took ready for posting yet but on my new Viper Strykes my wear patch goes all the way to the top of the viper's head along the tread edge. I scrape pegs (factory) so you can safely use that as a benchmark on usable surface (chicken stripes). Later today I will measure mine as well (500 miles on them but still have the little injection nipples on them so very little will be lost) to see what the usable contact measurement is.

Just to clarify, when measuring tread contact width you ARE measuring along the curved path and not just a straight line through the tire from edge of contact to edge of contact, right? Standard tire width of 140mm is widest part of tire through the tire and not across the tread surface from side to side. Pinching the tire to fit on our skinny rims would alter the tire cross-section profile and may not cause too much of a reduction in usable surface as thought. While I think it does cause a small reduction, I actually prefer the security of knowing I will not run out of tire.

For what it's worth however, I have held a straight edge from the sprocket to the tire and my contact area ends where the straight edge meets the tire, meaning that if I had rear-sets on my bike and could lean further I would likely hit the sprocket which would be very dangerous and undesirable. With rear-sets on the bike I might rethink using the 140/70 rear tire and go back to factory size which might actually give me more safe lean angle.
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Ezblast
Posted on Sunday, August 10, 2008 - 02:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes - I'm measuring the curved path of tire - yes the tops of the Viper heads - erasing the top - is where I get, however I used the top of the head for consistency of my measurement, and used a stock Dunlop - fairly used for the other measurement.
EZ
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Ezblast
Posted on Sunday, August 10, 2008 - 02:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You have to know your bike - I've only scraped the sprocket a few times - no biggie - I know how far over to lean - I've run rear-sets forever - lol
EZ
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Johnnymac
Posted on Sunday, August 10, 2008 - 10:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hehe...I actually kinda like having the pegs scrape to let me know when I am at my limit, at least while I am still learning what they are just by feel. I just wish my boots didn't scrape before the pegs. : )

It's actually nice to know that I am getting my bike leaned over almost as much as you are, EZ. Now if I would start hanging off the seat and still getting those lean angles I would be getting much more speed through my turns than I currently am. :P
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