Road Bike Tire Comparison:
Continental Grand Prix Force II 2016 vs
Vittoria Open Corsa CX III 2014

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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
  • Continental Grand Prix Force II
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalVittoria
Model Grand Prix Force IIOpen Corsa CX III
Year 20162014
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 HighHigh
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Manufacturer Part Number 0100489111.391.SC.25.111.BX
EAN
TPI 3/330320
Compound Black ChiliISOgrip Compound
Bead FoldingFolding
ETRTO 24-62225-622
Size Inch 28"28"
Width mm 2425
Specified Weight 195 grams220 grams
Min Air Pressure 95 psi psi
Max Air Pressure 120 psi145 psi
Made In GermanyThailand
Available Sizes 24-622 (700x24C)23-622 (700x23C)
25-622 (700x25C)
Image
Continental Grand Prix Force II 2016
Vittoria Open Corsa CX III 2014
Image
Continental Grand Prix Force II 2016
Vittoria Open Corsa CX III 2014
Image
Continental Grand Prix Force II 2016
Vittoria Open Corsa CX III 2014

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix Force IIOpen Corsa CX III
Specified Weight 195 grams220 grams
Measured Weight 196 grams237 grams
System Adjusted Weight 296 grams
(tire + inner tube)
337 grams
(tire + inner tube)
Measured Width 26 mm28 mm
Measured Height 23 mm25 mm
Total Tire Thickness Center 2.3 mmNo Data
Total Tire Thickness Sidewall 0.5 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


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Rolling Resistance Test Results
Model Grand Prix Force IIOpen Corsa CX III
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video YouTubeNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
11.0 Watts
CRR: 0.00330
13.0 Watts
CRR: 0.00390
Rolling Resistance
100 PSI / 6.9 Bar
11.6 Watts
CRR: 0.00348
13.6 Watts
CRR: 0.00408
Rolling Resistance
80 PSI / 5.5 Bar
13.4 Watts
CRR: 0.00402
14.8 Watts
CRR: 0.00444
Rolling Resistance
60 PSI / 4.1 Bar
16.3 Watts
CRR: 0.00489
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 Grand Prix Force IIOpen Corsa CX III
Puncture Resistance Tread 9 Points12 Points
Puncture Resistance Sidewall 4 PointsNot Tested

Conclusion


Conclusion
Model Grand Prix Force IIOpen Corsa CX III
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
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  • Continental Grand Prix Force II
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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