Road Bike Tire Comparison:
Michelin Pro 4 Service Course 2014 vs
Vittoria Open Corsa CX III 2014

Facebook like buttonTwitter like buttonEmail share button

Contents and Test Summary

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

Manufacturer Specifications


Manufacturer Specifications
Brand MichelinVittoria
Model Pro 4 Service CourseOpen Corsa CX III
Year 20142014
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
Buy At Ad Amazon.com
Manufacturer Part Number 446783111.391.SC.25.111.BX
EAN
TPI 110320
Compound Dual CompoundISOgrip Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 215 grams220 grams
Min Air Pressure 73 psi psi
Max Air Pressure 109 psi145 psi
Made In ThailandThailand
Available Sizes 20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
23-671 (650x23C)
23-622 (700x23C)
25-622 (700x25C)
Image
Michelin Pro 4 Service Course 2014
Vittoria Open Corsa CX III 2014
Image
Michelin Pro 4 Service Course 2014
Vittoria Open Corsa CX III 2014
Image
Michelin Pro 4 Service Course 2014
Vittoria Open Corsa CX III 2014

Size and Weight Measurements


Size and Weight Measurements
Model Pro 4 Service CourseOpen Corsa CX III
Specified Weight 215 grams220 grams
Measured Weight 222 grams237 grams
System Adjusted Weight 322 grams
(tire + inner tube)
337 grams
(tire + inner tube)
Measured Width 28 mm28 mm
Measured Height 26 mm25 mm
Total Tire Thickness Center 2.9 mmNo Data
Total Tire Thickness Sidewall 0.55 mmNo Data
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


advertisement
Rolling Resistance Test Results
Model Pro 4 Service CourseOpen Corsa CX III
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
14.9 Watts
CRR: 0.00447
13.0 Watts
CRR: 0.00390
Rolling Resistance
100 PSI / 6.9 Bar
16.0 Watts
CRR: 0.00480
13.6 Watts
CRR: 0.00408
Rolling Resistance
80 PSI / 5.5 Bar
17.6 Watts
CRR: 0.00528
14.8 Watts
CRR: 0.00444
Rolling Resistance
60 PSI / 4.1 Bar
20.1 Watts
CRR: 0.00603
16.9 Watts
CRR: 0.00507
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 Pro 4 Service CourseOpen Corsa CX III
Puncture Resistance Tread 15 Points12 Points
Puncture Resistance Sidewall 6 PointsNot Tested

Conclusion


Conclusion
Model Pro 4 Service CourseOpen Corsa CX III
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4.0 / 54.0 / 5
Buy At Ad Amazon.com
  • Michelin Pro 4 Service Course
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


Get updates on new articles