Road Bike Tire Comparison:
Continental Grand Prix 4 Season 2015 vs
Michelin Pro 4 Service Course 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 4 Season
  • Michelin Pro 4 Service Course
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Grand Prix 4 SeasonPro 4 Service Course
Year 20152014
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 HighMed
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Manufacturer Part Number 0100175446783
EAN
TPI 3/330110
Compound Max Grip SilicaDual Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 240 grams215 grams
Min Air Pressure 95 psi73 psi
Max Air Pressure 120 psi109 psi
Made In GermanyThailand
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
23-671 (650x23C)
Image
Continental Grand Prix 4 Season 2015
Michelin Pro 4 Service Course 2014
Image
Continental Grand Prix 4 Season 2015
Michelin Pro 4 Service Course 2014
Image
Continental Grand Prix 4 Season 2015
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 Prix 4 SeasonPro 4 Service Course
Specified Weight 240 grams215 grams
Measured Weight 215 grams222 grams
System Adjusted Weight 315 grams
(tire + inner tube)
322 grams
(tire + inner tube)
Measured Width 27 mm28 mm
Measured Height 24 mm26 mm
Total Tire Thickness Center 2.7 mm2.9 mm
Total Tire Thickness Sidewall 0.7 mm0.55 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
Loading Chart...

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Grand Prix 4 SeasonPro 4 Service Course
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 17.2 Watts14.9 Watts
Rolling Resistance 100 psi 18.1 Watts16.0 Watts
Rolling Resistance 80 psi 19.8 Watts17.6 Watts
Rolling Resistance 60 psi 22.5 Watts20.1 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.005160.00447
CRR 100 psi / 6.8 Bar 0.005430.00480
CRR 80 psi / 5.5 Bar 0.005940.00528
CRR 60 psi / 4.1 Bar 0.006740.00603
Spin Up Video No VideoNo Video
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Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Grand Prix 4 SeasonPro 4 Service Course
Puncture Resistance Tread 17 Points15 Points
Puncture Resistance Sidewall 7 Points6 Points
Loading Chart...

Conclusion


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


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