Road Bike Tire Comparison:
Continental Grand Prix 4 Season 2015 vs
Michelin Pro 4 Endurance v2 2015

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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 Endurance v2
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 Endurance v2
Year 20152015
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 0100175972649
EAN
TPI 3/3303x110
Compound Max Grip SilicaBi Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 240 grams245 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)
23-622 (700x23C)
25-622 (700x25C)
Image
Continental Grand Prix 4 Season 2015
Michelin Pro 4 Endurance v2 2015
Image
Continental Grand Prix 4 Season 2015
Michelin Pro 4 Endurance v2 2015
Image
Continental Grand Prix 4 Season 2015
Michelin Pro 4 Endurance v2 2015

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix 4 SeasonPro 4 Endurance v2
Specified Weight 240 grams245 grams
Measured Weight 215 grams245 grams
System Adjusted Weight 315 grams
(tire + inner tube)
345 grams
(tire + inner tube)
Measured Width 27 mm28 mm
Measured Height 24 mm25 mm
Total Tire Thickness Center 2.7 mm2.9 mm
Total Tire Thickness Sidewall 0.7 mm0.9 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 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Grand Prix 4 SeasonPro 4 Endurance v2
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
17.2 Watts
CRR: 0.00516
14.2 Watts
CRR: 0.00426
Rolling Resistance
100 PSI / 6.9 Bar
18.1 Watts
CRR: 0.00543
14.9 Watts
CRR: 0.00447
Rolling Resistance
80 PSI / 5.5 Bar
19.8 Watts
CRR: 0.00594
16.3 Watts
CRR: 0.00489
Rolling Resistance
60 PSI / 4.1 Bar
22.5 Watts
CRR: 0.00674
19.1 Watts
CRR: 0.00573
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 4 SeasonPro 4 Endurance v2
Puncture Resistance Tread 17 Points15 Points
Puncture Resistance Sidewall 7 Points8 Points

Conclusion


Conclusion
Model Grand Prix 4 SeasonPro 4 Endurance v2
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
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  • Continental Grand Prix 4 Season
  • Michelin Pro 4 Endurance v2
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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