Tire Test - Michelin Power Endurance

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Michelin Power Endurance road bike tire on a rolling resistance test machine

The Power Endurance is the most versatile member of the new Michelin Power road bike tires. Compared to the Power Competition, the Power Endurance offers more grip, more longevity, and better puncture resistance at the cost of increased rolling resistance. To improve those aspects of the tire, the carcass has gone down to 3x110 TPI instead of 3x180 TPI, it uses a dual compound Power X-Miles compound instead of Power Race compound, and a + version of the Aramid Protek breaker has been used.


Check Michelin Power Endurance Prices at Amazon.com


I'm not sure how the new compound compares to the older bi-compound that was used on the Pro 4 tires, but Michelin claims the shoulder compound of the X-Miles compound offers improved grip on wet roads while the center compound is optimized to provide a low rolling resistance. They also claim the new Aramid Protek+ breaker offers improved cut resistance over the HD protection that was used on the Pro 4 tires.


I've already tested the Competition version of the new Power tires and, as promised by Michelin, rolling resistance was very low. In the Competition review, I also mentioned the Competition was more of a successor to the Pro 4 Comp than the Pro 4 Service Course (read review). When comparing all specs, The Power Endurance seems to be the real successor of the Pro 4 Service Course. Unfortunately, there doesn't seem to be a true successor of the Pro 4 Endurance (read review) as the Power Endurance doesn't have the reinforced sidewalls the Pro 4 Endurance had. Those strong sidewalls made it a truly great and unique tire IMO.


Manufacturer Specifications
Brand Michelin
Model Power Endurance
Year 2016
Tire Type Tubetype (clincher)
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Price Amazon.com
Part number 343098
TPI 3x110
Compound X-miles compound
Bead Folding
ETRTO 25-622
Size Inch 28"
Width 25
Specified Weight 230 grams
Max Pressure 120
Made In Thailand
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)

Test Results


Michelin Power Endurance road bike tire on a rolling resistance test machine

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622x17C, Pressure: 100 psi / 6.9 bar)
Specified Weight 230 grams
Measured Weight 235 grams
Measured Width 27 mm
Measured Height 24 mm
Total Tire Thickness Center 2.8 mm
Total Tire Thickness Sidewall 0.6 mm

The specified weight of the 25-622 version of the Power Endurance is 230 grams, my sample comes in at 235 grams which is a bit less than the Pro 4 Endurance but a bit more than the Pro 4 Service Course. Just like the Power Competition, the Power Endurance now measures 27 mm wide and 24 mm high on a 17C rim.


The total measured thickness at the center of the tread is 2.8 mm. While the Power Competition came in a bit lower at 2.6 mm, the 2.8 mm thickness is a bit less than the Pro 4 Service Course and Pro 4 Endurance which both came in at 2.9 mm. The sidewalls have a thickness of 0.6 mm, which is a bit more than the Power Competition which came in at 0.5 mm, but in line with other similar tires from other brands.


Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Inner Tube Conti Race28 (100gr butyl)
Rolling Resistance 120 psi / 8.3 Bar 14.5 Watts
Rolling Resistance 100 PSI / 6.9 Bar 15.6 Watts
Rolling Resistance 80 PSI / 5.5 Bar 17.9 Watts
Rolling Resistance 60 PSI / 4.1 Bar 21.2 Watts
Rolling Resistance Coefficient (Crr) 120 psi / 8.3 Bar 0.00435
Rolling Resistance Coefficient (Crr) 100 psi / 6.9 Bar 0.00468
Rolling Resistance Coefficient (Crr) 80 psi / 5.5 Bar 0.00537
Rolling Resistance Coefficient (Crr) 60 psi / 4.1 Bar 0.00635

To me, rolling resistance of the Power Endurance is a bit disappointing. While the Power Endurance doesn't have the reinforced sidewalls the Pro 4 Endurance (v2) (read review) had, rolling resistance has actually gone up. What's even more disappointing is the rolling resistance at lower air pressures. At the high air pressure of 120 psi, rolling resistance of the Endurance has increased by 0.3 watts. At 80 psi, this disadvantage grows to 1.6 watts.


When purely looking at the specifications of both the Power Endurance and Pro 4 Endurance, rolling resistance of the Power Endurance should be lower. When rolling resistance hasn't improved, there must be big improvements in grip and wear of the new Power tires as Michelin claims these tires are better than their predecessors.



Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Puncture Resistance Tread 13
Puncture Resistance Sidewall 5

Just like the rolling resistance test, the Power Endurance disappoints in the puncture tests. Puncture resistance of the tread has decreased to 13 points from the 15 points the Pro 4 Endurance scored. I must add the difference of 2 points is more of a rounding problem, if you look at the unrounded scores the difference isn't that bad as the Pro 4 scores 14.6 and the Power Endurance scores 13.4. I think it's safe to say puncture resistance of the tread hasn't increased (at least not with the 1 mm needle)


As expected, sidewall puncture resistance has decreased to 5 points from the 8 points the Pro 4 Endurance scored. This is the result of not using the reinforced sidewalls anymore.




Conclusion


Michelin Power Endurance road bike tire on a rolling resistance test machine

Like I already mentioned, the Power Endurance definitely isn't the successor of the Pro 4 Endurance as the reinforced sidewalls have been dropped in the design of the Power Endurance. The Power Endurance is now the more versatile choice and should be considered as the successor of the Pro 4 Service Course (read review). My opinion is the Power Endurance disappoints a bit, I was expecting rolling resistance to be closer to 13.0 watts after the great performance of the Power Competition.


Michelin spent 2 years on the new Power range of road bike tires, I'm sure they've made other improvements that I'm not able to test. It's possible these new Endurance tires have much better grip, longer life, and better real-life durability. I find it hard to judge this tire but have gone for 3/5 instead of 4/5 because they dropped the reinforced sidewalls which I liked.


Check Michelin Power Endurance Prices at Amazon.com


RATING: 3 / 5
TEST VERDICT:
Recommended


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Michelin Power Endurance road bike tire on a rolling resistance test machine
Michelin Power Endurance road bike tire on a rolling resistance test machine
Michelin Power Endurance road bike tire on a rolling resistance test machine

(click to enlarge)

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