Michelin is definitely a tire manufacturing specialist. The French company this year introduced the latest Pro 3 Race clincher, drawing on 120 years of
The first dual-compound road tire
Technically speaking, the Pro 3 features the dual compound technology well proven in MotoGP and MTB: it differentiates the central rolling compound from the cornering compound, allowing
both a low rolling resistance and a high grip while cornering. The cornering compound provides about 40% more grip than the rolling compound and thus, the cornering adherence is about 27%
higher than the same tire with a single compound. According to Michelin’s laboratory test, this allows the rider to « attack a roundabout of a 25 meters radius on a wet and slippery road
at an angle of 34 degrees. This translates to 41km/h, which is 5km/h faster than a competitor race road tire under the same conditions«
According to Michelin, the rolling resistance, which is very important for road racing, isn’t affected since a new compound with new mechanical and physical properties, providing high
A puncture-proof tire?
Michelin began road tests on the Pro 3 Race early in December 2006. With almost one million kilometers ridden on this high end tire, the company from Clermont-Ferrand only had 169 flats.
The figure by itself may sound high, but taken as a whole, it statistically only means a flat every 5919km…! Considering the average life of the tire is about 3600km, it seems like this
is one of the most resistant tire. You shouldn’t be able to expect a flat before the tire is completely worn. How cool is this?
This feat is achieved thanks to a high density puncture protector belt made out of nylon, just below the rolling compound. It sounds really good, at least on paper.
We are currently testing this tire and we will be able to give an objective point of view in a few months.
The installation: for athletes!
It’s a fact, Michelin’s tires always have been hard to mount. The internal diameter of the kevlar folding bead, which will hardly stretch at all, seems a little smaller than usually.
Although it prevents the tire leaving the rim bed in case of a flat, it makes fitting a bit of a fight! If you have a Campagnolo wheelset, whose external rim diameter is a very little
bigger than the standard, the mounting process is a strength challenge.
The first bead is quite easy to place, however the second one is almost impossible to place without a lever. So take care not to pinch the inner tube.
The judgement of the scale
The rolling resistance and the weight of a tire are very important. Choosing a tire is almost as important as choosing a wheelset. That’s why we have to pay attention to these two
The Pro 3 Grip and Pro 3 Light will be unveiled at Eurobike. Although Michelin has not given any information regarding these two tires, the Grip version will certainly be more durable and
puncture resistant (even more?!). The Light version will probably lose some precious grams to weight a nice 180g, at least if we translate the current Pro 2 range differences to this range.
The durability and resistance will obviously be a little lower than the standard version.
Some other « concept » colours, Michelin said, will be offered to match different colour schemes on 1st June.
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