Tire Test - Schwalbe Marathon Supreme

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Schwalbe Marathon Supreme Touring/E-Bike tire on a rolling resistance test machine

The 2016 version of the Schwalbe Marathon Supreme sees some significant improvements over the first generation Supreme. The biggest change is the use of the same OneStar compound that is also used on Schwalbe's top end road bike tires. The road bike tires that use the OneStar compound perform great in our rolling resistance test. It's good to see Schwalbe is now using this fast compound on a touring bike tire as well.

Check Schwalbe Marathon Supreme Prices at Amazon.com

Another change over the old Supreme is a newly designed tread pattern that makes it roll even better and gives the new Supreme a modern and clean look. Some things that haven't changed are the 67 TPI carcass with LiteSkin sidewalls and the use of an HD Speed Guard puncture protection layer. Unlike the Marathon GreenGuard and Plus, this puncture resistance layer is of the thin, but hard to penetrate kind.

Something else that's new in the 2016 Supreme lineup is a TL-Easy tubeless version. The Marathon Supreme TL-Easy uses the same MicroSkin layer that is also used on the Schwalbe Pro One. Schwalbe claims rolling resistance of the TL-Easy Supreme to be even lower. For now, the TL-Easy is only available in the 37-622 and 42-622 sizes.

Manufacturer Specs
Brand Schwalbe
Model Marathon Supreme
Year 2016
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Price Amazon.com
Part Number 11600780
TPI 67
Compound OneStar
Bead Folding
ETRTO 37-622
Size Inch 28"
Width mm 37.00
Specified Weight 440 grams
Max Pressure 85
Made In Indonesia

Test Results

Schwalbe Marathon Supreme Touring/E-Bike on a rolling resistance test machine

Size and Weight Measurements

Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 60 psi / 4 bar)
Measured Weight 431 grams
Measured Width 35 mm
Measured Height 34 mm
Tread Depth 1.6 mm
Total Tire Thickness Center 5.0 mm
Total Tire Thickness Sidewall 0.70 mm

Specified weight is unchanged at 440 grams, my sample of the 37-622 Supreme comes in at a slightly lower 431 grams. The maximum measured width on a 17C rim at an air pressure of 60 psi is 35 mm. The measured height is 34 mm. Just like all other Marathon tires, The Supreme is a bit small for a 37-622 tire.

Measured tread depth is 1.6 mm, which is still decent for a fast tire and comparable to the Marathon Racer (1.5 mm). The maximum thickness of the tire at the center of the tread is 5.0 mm. A thickness of 5 mm is very good for a tire like the Marathon Supreme, most other similar tires come in closer to 4.5 mm. This means there is a decent amount of rubber to wear down. On the contrary, the sidewalls are very thin with a measured thickness of just 0.7 mm.

Rolling Resistance Test Results

Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Rolling Resistance 90 psi / 6 Bar 15.8 Watts
Rolling Resistance 75 psi / 5 Bar 16.9 Watts
Rolling Resistance 60 psi / 4 Bar 19.1 Watts
Rolling Resistance 45 psi / 3 Bar 23.6 Watts
Rolling Resistance 30 psi / 2 Bar 32.3 Watts
Rolling Resistance Coefficient (Crr) 90 psi / 6 Bar 0.00474
Rolling Resistance Coefficient (Crr) 75 psi / 5 Bar 0.00507
Rolling Resistance Coefficient (Crr) 60 psi / 4 Bar 0.00573
Rolling Resistance Coefficient (Crr) 45 psi / 3 Bar 0.00707
Rolling Resistance Coefficient (Crr) 30 psi / 2 Bar 0.00968

As expected, rolling resistance of the Marathon Supreme is lower than the Marathon GreenGuard and Marathon Racer. At the higher end of the air pressure range, the Supreme outperforms the Marathon GreenGuard by close to 3 watts. I must add that the performance of the Marathon GreenGuard is still very strong when we compare it to the Marathon Supreme at similar air pressures.

At lower air pressures, rolling resistance rises much faster when compared to the Marathon GreenGuard. At the low air pressure of 45 psi, rolling resistance between the two is nearly equal. At the very low air pressure of 30 psi, the Marathon GreenGuard stretches its legs and is able to outperform the Supreme by 1.7 watts. I suggest keeping the Supreme over 45 psi at a load of 42.5 kg.

Comparing touring bike tires and air pressure

When digging into these rolling resistance results a bit deeper, part of the reason why the Supreme performs worse at lower air pressures is probably in the thick and stiff layer the Marathon GreenGuard uses. The Marathon Supreme is a much more flexible tire. To achieve the same comfort level and tire drop, you can run a higher air pressure on the Marathon Supreme. A higher air pressure would lower rolling resistance a bit more when compared to the GreenGuard.

Unfortunately, I don't have exact data that can tell us how much a thick and stiff anti-puncture layer affects comfort and tire drop. Keep this in mind when comparing the different tires in the Tour/E-Bike category.

Puncture Resistance Test Results

Puncture Resistance Test Result (higher is better)
Puncture Resistance Tread 15
Puncture Resistance Sidewall 4
Puncture Factor Tread * 75
Puncture Factor Sidewall * 3
* Puncture Factor = Puncture Resistance * Total Tire Thickness
Puncture Factor provides a more realistic puncture resistance score for touring tires

In the raw puncture test, which measures the force required to puncture the tire, the Marathon Supreme scores 15 points in the tread test. 15 points is better than both the Marathon GreenGuard (14) and Marathon Plus (13). In the sidewall test, it scores just 4 points which is a below average score.

Because the Marathon Supreme is a much thinner tire than both the Marathon GreenGuard and Plus, it scores lower than both those tires in the Puncture Factor calculation. Puncture Factor Tread is still decent because the Supreme has both a decent thickness of 5.0 mm and a raw puncture resistance of 15 points (PF = 75). Puncture Factor Sidewall is very low at just 3 points. The low sidewall score is the result of an easy to puncture, but also very thin sidewall.


Schwalbe Marathon Supreme Touring/E-Bike on a rolling resistance test machine

The Schwalbe Marathon Supreme offers a very low rolling resistance and low weight while at the same time still providing a decent puncture resistance. I suspect that in real-life when used at comparable comfort levels, the Marathon Supreme will offer an even bigger advantage over tires with a much thicker and stiffer anti-puncture layer than the raw numbers show.

I didn't test the previous version of the Marathon Supreme, but the new version should have a lower rolling resistance based on tests of other tires that use the OneStar compound. Unfortunately, I can't tell you how it compares on the road, where grip and wear are just as important.

Check Schwalbe Marathon Supreme Prices at Amazon.com

RATING: 5 / 5
Highly Recommended

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Schwalbe Marathon Supreme Touring/E-Bike tire on a rolling resistance test machine
Schwalbe Marathon Supreme Touring/E-Bike tire on a rolling resistance test machine
Schwalbe Marathon Supreme Touring/E-Bike tire on a rolling resistance test machine

(click to enlarge)

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