Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Vredestein Fortezza Senso All Weather 2015

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Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalVredestein
Model Grand PrixFortezza Senso All Weather
Year 20142015
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 MedMed
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Manufacturer Part Number 010063728504
EAN
TPI 3/180120
Compound Black ChiliTriComp
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 245 grams240 grams
Min Air Pressure 110 psi85 psi
Max Air Pressure 120 psi130 psi
Made In GermanyThailand
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
28-559 (26x1 1/8)
28-406 (20x1.10)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
Image
Continental Grand Prix 2014
Vredestein Fortezza Senso All Weather 2015
Image
Continental Grand Prix 2014
Vredestein Fortezza Senso All Weather 2015
Image
Continental Grand Prix 2014
Vredestein Fortezza Senso All Weather 2015

Size and Weight Measurements


Size and Weight Measurements
Model Grand PrixFortezza Senso All Weather
Specified Weight 245 grams240 grams
Measured Weight 239 grams234 grams
System Adjusted Weight 339 grams
(tire + inner tube)
334 grams
(tire + inner tube)
Measured Width 26 mm26 mm
Measured Height 24 mm24 mm
Total Tire Thickness Center No Data3.2 mm
Total Tire Thickness Sidewall No Data0.55 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 Grand PrixFortezza Senso All Weather
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
14.0 Watts
CRR: 0.00420
18.0 Watts
CRR: 0.00540
Rolling Resistance
100 PSI / 6.9 Bar
14.5 Watts
CRR: 0.00435
19.7 Watts
CRR: 0.00591
Rolling Resistance
80 PSI / 5.5 Bar
15.9 Watts
CRR: 0.00477
21.8 Watts
CRR: 0.00653
Rolling Resistance
60 PSI / 4.1 Bar
18.5 Watts
CRR: 0.00555
24.6 Watts
CRR: 0.00737
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 PrixFortezza Senso All Weather
Puncture Resistance Tread 13 Points13 Points
Puncture Resistance Sidewall Not Tested4 Points

Conclusion


Conclusion
Model Grand PrixFortezza Senso All Weather
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4 / 52 / 5
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  • Vredestein Fortezza Senso All Weather
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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