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Michelin's new tire

Old 08-25-10, 07:22 PM
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mkane77g
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Michelin's new tire

I've been waiting for this. A high performance tire, seems as though it was made just for my use. Called an Optimum. 700x25, the rear has a harder compound. Marked f/r. the pro race was a good tire, worth 1000m on the rear. Mabey this new tire will 1500m. I ordered a pair. The Conti 4000's were nice, the Michelins ride very well
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Old 08-25-10, 10:41 PM
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Hi,

Let us know how they ride and if they "feel fast", also what air pressure you are using.

I have been using the pro race 2 in a 700x25 and like the performance.
I never measured them but they sure look wider than some 700x25 vittoria rubino pros I just put on my single bike.

They are no longer for sale and I am not a huge continental fan.

I saw the pro race 3 comes in a 700x25 also but have some doubts since the 700vx23 version seems light and thin skinned.

rob
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Old 08-26-10, 12:25 AM
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I like the conti GP4000 700x25 for the tandem. I just ordered a set with the reflective sidewalls (we do a fair bit of long distance riding).
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Old 08-26-10, 08:04 AM
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That Michelin does look interesting. A team with whom we often ride just put on a set of Pro3 Race, 25c. They like them very much - feel fast, track well, etc. We'll see how they last, flats, etc. Apparently a better tire than the Pro2 Race.
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Old 08-26-10, 08:46 AM
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Shouldn't say this, we have very few issues with flats, running any brand of tire, they do come in 3's. We have used the Pro Race 25mm tires, both 2&3's, and the Krylion's in the winter. 110lbs pressure. And we consider ourselves long distance riders. Many tours, and lot's of 100 milers.
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Old 08-26-10, 10:20 AM
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I am curious about the Optimums as well after reading about them several months ago.
I use Pro Race 3 on my single. I don't need 25c but on the tandem it makes sense.
I am currently using GP4000(s) 23 on front 25 on rear on the tandem and I really like it.
Really durable, good mileage, rolls great, I don't see how it gets any better than that.
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Old 08-26-10, 10:52 AM
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Originally Posted by uspspro View Post
I like the conti GP4000 700x25 for the tandem. I just ordered a set with the reflective sidewalls (we do a fair bit of long distance riding).
The GP4000 is of course BF Road Cycling's favorite tire, and a reflective sidewall is a nice addition, as even with a HID front/Dinnotte rear, visibility from the side can stand improvement. Too much visibility is just right. Nice price at PBK. How about posting a night flash view of your rig with these tires?

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Old 08-26-10, 01:44 PM
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Originally Posted by Ritterview View Post
The GP4000 is of course BF Road Cycling's favorite tire, and a reflective sidewall is a nice addition, as even with a HID front/Dinnotte rear, visibility from the side can stand improvement. Too much visibility is just right. Nice price at PBK. How about posting a night flash view of your rig with these tires?

I did buy them at PBK.

I have yet to install them, but I will soon, and I will snap a pic! I have been using the regular GP4000 up until this point.
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Old 08-26-10, 05:19 PM
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Originally Posted by jnbrown View Post
I am curious about the Optimums as well after reading about them several months ago.
I use Pro Race 3 on my single. I don't need 25c but on the tandem it makes sense.
I am currently using GP4000(s) 23 on front 25 on rear on the tandem and I really like it.
Really durable, good mileage, rolls great, I don't see how it gets any better than that.
Try Michelin's on the tandem. I think they are a better ride.
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Old 08-26-10, 06:38 PM
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Originally Posted by Michelin
Michelin® Pro Optimum

Michelin has developed separate front and rear tires to take into account their specific requirements: The front tire carries 30% of the weight load and absorbs 100% of the braking effect. For this reason, Michelin engineers made it a priority to develop a tire with added grip, capable of providing maximum safety to users on cold, wet surfaces. The rear tire carries 70% of the weight load and absorbs 100% of the torque generated by the bike's forward motion, which affects its efficiency and wearlife. In order to achieve consistent performance, the rear tire now has a longer life, meaning that MICHELIN Pro Optimum Front and Rear tires now have comparable lifespans.
A potential problem with the Optimum tire for tandems is that it is designed specifically for the 30/70% front/rear weight distribution of a half-bike. The weight distribution of a tandem differs greatly. A tandem with an 176 lb captain and an 132 lb stoker is calculated at 47% front and 53% rear, nearly even. Thus the basis for the front/rear design differential on the Optimum doesn't apply to a tandem. The front tire might be built too light for the weight load it will be bearing.
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Old 08-26-10, 07:16 PM
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<dumbquestion>So, why not run rear tires front and back?</dumbquestion>
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Old 08-26-10, 07:29 PM
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Thats a possibility. Reads like the changes were aimed at the rear tire.
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Old 08-26-10, 09:35 PM
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I am not sure I believe that the weight distribution is the only factor.
Despite having nearly even weight on the front / back I wear out rear tires much faster.
I think it could be pedaling force of the tire against the road is what does it, so the Optimum concept may still be valid.
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Old 08-26-10, 09:42 PM
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Originally Posted by mkane77g View Post
Thats a possibility. Reads like the changes were aimed at the rear tire.
Hard to say. The weight of the front tire is a svelte (for 25 mm) 215 grams, whereas the rear tire is a more typical 240 grams (the Pro Race 3 in 25 mm is 245 grams). On the basis of weight, it appears that it is the front tire at which the changes were aimed.

The rear Optimum sounds like a good choice for a tandem. A better choice for the front might be the Pro Race 3, which has the plenty of grip needed for the front, but is not so light as the Optimum front.
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Old 08-27-10, 07:38 AM
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A test is in order. They have been shipped. Fronts last forever anyway. I'm 160 on a good day and she's 123.
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Old 08-27-10, 07:12 PM
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This all sounds promising but 25's are just too small for me for the tandem. Rough roads and all. Is this thing available in a 28? Or do I still not have an alternative to my GP 4Seasons?
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Old 08-28-10, 07:11 AM
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25's only
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Old 09-01-10, 08:49 AM
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Tires arrived yeserday, along with some Hutchinson Intensive's in 25mm. They sure like to let you know who made em. Big bold badging in brite white. A Black sharpie will take care of this.
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Old 09-01-10, 07:28 PM
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Tires mounted and the first thing I notice is there a bit narrower than the Pro-Race 25's. I didn't have to squeeze them past the brake. Lightweight, but still heavier by a bit. They look nice all blacked out. Not much for badging. Our Co-Motion has a minimal amount of Co-Motion decals on it.
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Old 09-04-10, 09:51 PM
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Had great performance with the Kryliums. Run Michelins on both 1/2 bikes. Like them.
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Old 09-05-10, 08:02 AM
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Rode the new tires yesterday, on the new wheels. Tires are great @ 110psi. were done shopping around for different tires. We tried Conti's again after tiring of all the hairs flying everywhere. new 4000's are nice, Michelins are nicer. And the new wheels are keepers.
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Old 10-15-10, 12:50 PM
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Originally Posted by uspspro View Post
I like the conti GP4000 700x25 for the tandem. I just ordered a set with the reflective sidewalls (we do a fair bit of long distance riding).
I needed a replacement for the 305 gram Specialized tires that I had, and we do rides in the early morning, so I got the Conti GP4000 reflective sidewalls too. They weigh 237 grams, and they are reflective. I think they look pretty good in the day, a nice highlight that picks up the white in the frame. It is nice to have the reflectors that don't weigh anything, I don't have to put on or take off, or think about, but provide a large noticible surface.



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Old 10-15-10, 01:21 PM
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I like em too... here's a day time shot of those tires.. The flash managed to catch them.

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Old 10-15-10, 04:35 PM
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PBK is having a sale on GP4000s twinpak. Using tdfusa discount code I got two tires for $63, thats a new low for me.
These are 700x23 which I have been using on the front although at our weight it would probably work on the back too.
Good tire for single bikes too.
Have been using the 700x25 reflective on the back.
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Old 10-15-10, 05:52 PM
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Originally Posted by jnbrown View Post
PBK is having a sale on GP4000s twinpak. Using tdfusa discount code I got two tires for $63, thats a new low for me.
These are 700x23 which I have been using on the front although at our weight it would probably work on the back too.
Good tire for single bikes too.
Have been using the 700x25 reflective on the back.
I ordered some of those for my singles today at that price too and when I went back later they were sold out. Lucked out.
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