Michelin Pro4 Service Course  £39.99

8/10

Fast rolling, grippy and durable tyre ideal for summer racing and training. The Pro4 Service Course raises the bar

Weight 200g   Contact  bike.michelin.co.uk

by David Arthur   May 4, 2013  

michelin pro4 service course tyre - side

Fast, light, grippy and impressively durable, Michelin's latest top-level Pro4 Service Course tyres are perfect for summer racing and training.

Michelin revamped its road clincher tyre range at the end of last year with the introduction of the new Pro4, a range which now encompasses tyres for a range of conditions. They save the best for the Service Course though, the lightest and fastest tyres.

Now in its fourth generation, the tyre is an substantial improvement over the old Pro3 in every way; grip, speed and durability. I've clocked up about a 1,000 miles so far, including mostly training rides on my local rides, plus my first couple of road races. I've had one puncture in that time, and that came during my first road race when I hit an unseen pothole. The inner tube showed evidence of an impact flat, with the telltale parallel slits. The tyre sustained no damage.

The performance is excellent, with a marked improvement in rolling resistance over the old Pro3. The old tyre never felt fast, though performed well in roll down tests. The Pro4 however feels rapid out of the box and even compared to the reasonably light Pro4 Endurance tyres they replaced, the transformation in the bike's speed and handling was profound.

One of the key changes Michelin made to the Pro4 is in the tread compound and shape, in pursuit of improved durability and grip. No easy task: extra grip usually comes with a softer compound at the expense of durability. The Pro4 uses a bi-compound silica and elastomer compound with an egg shaped tread shape. This means when you're riding in a straight line, the contact patch is smaller, and when you lean over, that patch increases in size. Extra grip with good rolling resistance.

The most notable difference compared to the older tyres is the tread compound is much more durable and resistant to cuts. In this regard the Pro4 is a big improvement. Where the Pro3 was fragile and looked tatty after a few rides, the Pro4 still looks box fresh.

Grip from the revised tread compound and shape is phenomenal, with a staggering lean angle possible when you get the bike banked over in the corners. You can really lean on the edges of the tyre and they feel planted and secure. In the rain and on mixed surface conditions they offer a confidence inspiring level of feel. Perfect when you're hurtling through a tight corner at 60kph in a large bunch. Michelin claim a 16% wet road grip improvement over the old Pro3.

Considering they're a lightweight tyre aimed at racers, they're surprisingly comfortable. We put that down to the supple sidewall, which allows the tyre to conform to the imperfections of the road. For the record, I've been testing the 23mm tyres at an average tyre pressure of 95 psi front, 100 psi rear.

You can even choose from six colours, and 20, 23 and 25mm width.

Verdict

Fast rolling, grippy and durable tyre ideal for summer racing and training. The Pro4 Service Course raises the bar.

road.cc test report

Make and model: Michelin Pro4 Service Course

Size tested: 23mm

Tell us what the product is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?

The MICHELIN PRO4 Service Course is not only safer but it is also an average 16 percent faster when

cornering on wet road surfaces*.

These improvements were achieved thanks to its optimised dual-compound technology which features:

* Wider lateral bands for optimal grip at all angles of lean,

* New compounds incorporating new elastomers and silica for extra grip at the shoulders.

The tyre's new, more pointed profile optimises the contact patch when leaning into corners for extra

grip, as well as enhanced agility.

At the same time, the specific compounds employed by the latest

dual-compound technology provide superior rigidity for the central

part of the MICHELIN PRO4 Service Course's tread band – the part

of the tyre which is exposed to the biggest constraints – for even

longer tyre life.

Finally, the MICHELIN PRO4's resistance to cuts, thanks to the

presence of a nylon high-density breaker beneath

Tell us some more about the technical aspects of the product?

The MICHELIN PRO4 Service Course delivers the best trade-off between sports performance and long

tyre life. The achievement of the engineers is to have simultaneously enhanced its speed, safety,

agility and resistance.

Rate the product for quality of construction:
 
8/10

They don't cut up badly like the old Pro3.

Rate the product for performance:
 
9/10

Rolling resistance and grip is benchmark stuff, they score really well in both tests.

Rate the product for durability:
 
9/10

I've only clocked up 1,000 miles, but so far they show no signs of wear or cuts like the old Pro3s used to.

Rate the product for weight, if applicable:
 
8/10

200g sets them in the ballpark.

Rate the product for comfort, if applicable:
 
8/10

Surprisingly supple sidewall makes for a comfortable ride, for a 23mm tyre.

Rate the product for value:
 
8/10

They're certainly not cheap, but they're no more expensive than the competition. This is a race tyre afterall.

Tell us how the product performed overall when used for its designed purpose

For racing and training and fast summer sportives, if you want the best, look no further. An excellent tyre

Tell us what you particularly liked about the product

The grip through corners inspires a lot of confidence.

Tell us what you particularly disliked about the product

Can't think of anything yet.

Did you enjoy using the product? Yes.

Would you consider buying the product? Yes.

Would you recommend the product to a friend? Yes.

Overall rating: 8/10

About the tester

Age: 31  Height: 180  Weight: 67

I usually ride:   My best bike is:

I've been riding for: 10-20 years  I ride: Every day  I would class myself as: Expert

I regularly do the following types of riding: road racing, time trialling, cyclo cross, commuting, touring, mtb,

 

1 user comments

Oldest firstNewest firstBest rated

Whatever you do, don't put these on the Turbo Trainer... I melted mine... Sad

posted by usernameforme [44 posts]
5th May 2013 - 4:59

like this
Like (6)

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