Road Bike Tire Comparison:
Schwalbe Ultremo ZX 2014 vs
Veloflex Corsa 2016

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Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • Veloflex Corsa
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand SchwalbeVeloflex
Model Ultremo ZXCorsa
Year 20142016
Tire Type Tubetype (clincher)Tubetype (clincher)
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedHigh
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Manufacturer Part Number 11600036.02
EAN 8033959671115
TPI 127320
Compound RaceStarNatural exclusive
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 215 grams205 grams
Min Air Pressure 85 psi90 psi
Max Air Pressure 130 psi130 psi
Made In IndonesiaItaly
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
23-622 (700x23C)
25-622 (700x25C)
Image
Schwalbe Ultremo ZX 2014
Veloflex Corsa 2016
Image
Schwalbe Ultremo ZX 2014
Veloflex Corsa 2016
Image
Schwalbe Ultremo ZX 2014
Veloflex Corsa 2016

Size and Weight Measurements


Size and Weight Measurements
Model Ultremo ZXCorsa
Specified Weight 215 grams205 grams
Measured Weight 229 grams200 grams
System Adjusted Weight 329 grams
(tire + inner tube)
300 grams
(tire + inner tube)
Measured Width 25 mm25 mm
Measured Height 23 mm22 mm
Total Tire Thickness Center No Data2.1 mm
Total Tire Thickness Sidewall No Data0.75 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Ultremo ZXCorsa
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video No VideoYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
14.1 Watts
CRR: 0.00423
13.4 Watts
CRR: 0.00402
Rolling Resistance
100 PSI / 6.9 Bar
15.0 Watts
CRR: 0.00450
14.0 Watts
CRR: 0.00420
Rolling Resistance
80 PSI / 5.5 Bar
16.3 Watts
CRR: 0.00489
15.8 Watts
CRR: 0.00474
Rolling Resistance
60 PSI / 4.1 Bar
19.5 Watts
CRR: 0.00585
18.2 Watts
CRR: 0.00546
All numbers are for a single tire at a speed of 29 km/h / 18 mph and a load of 42.5 kg / 94 lbs.

Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Ultremo ZXCorsa
Puncture Resistance Tread 12 Points12 Points
Puncture Resistance Sidewall Not Tested4 Points

Conclusion


Conclusion
Model Ultremo ZXCorsa
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2.0 / 54.0 / 5
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  • Veloflex Corsa
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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