Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Michelin Pro 4 Service Course 2014

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Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Grand PrixPro 4 Service Course
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 MedMed
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Manufacturer Part Number 0100637446783
TPI 3/180110
Compound Black ChiliDual Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 245 grams215 grams
Min Air Pressure 110 psi73 psi
Max Air Pressure 120 psi109 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)
20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
23-671 (650x23C)
Image
Continental Grand Prix 2014
Michelin Pro 4 Service Course 2014
Image
Continental Grand Prix 2014
Michelin Pro 4 Service Course 2014
Image
Continental Grand Prix 2014
Michelin Pro 4 Service Course 2014

Size and Weight Measurements


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Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model Grand PrixPro 4 Service Course
Measured Weight 239 grams222 grams
System Adjusted Weight 339 grams
(tire + inner tube)
322 grams
(tire + inner tube)
Measured Width 26 mm28 mm
Measured Height 24 mm26 mm
Total Tire Thickness Center No Data2.9 mm
Total Tire Thickness Sidewall No Data0.55 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Grand PrixPro 4 Service Course
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 14.0 Watts14.9 Watts
Rolling Resistance 100 psi 14.5 Watts16.0 Watts
Rolling Resistance 80 psi 15.9 Watts17.6 Watts
Rolling Resistance 60 psi 18.5 Watts20.1 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.004200.00447
CRR 100 psi / 6.8 Bar 0.004350.00480
CRR 80 psi / 5.5 Bar 0.004770.00528
CRR 60 psi / 4.1 Bar 0.005550.00603
Spin Up Video No VideoNo Video
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Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Grand PrixPro 4 Service Course
Puncture Resistance Tread 13 Points15 Points
Puncture Resistance Sidewall Not Tested6 Points
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Conclusion


Conclusion
Model Grand PrixPro 4 Service Course
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
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  • Michelin Pro 4 Service Course
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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