Road Bike Tire Comparison:
Continental Grand Prix 2014 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
  • Michelin Pro 4 Endurance v2
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Grand PrixPro 4 Endurance v2
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 MedHigh
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Manufacturer Part Number 0100637972649
EAN
TPI 3/1803x110
Compound Black ChiliBi Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 245 grams245 grams
Min Air Pressure 110 psi73 psi
Max Air Pressure 120 psi109 psi
Made In Members OnlyMembers Only
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)
Image
Continental Grand Prix 2014
Michelin Pro 4 Endurance v2 2015
Image
Continental Grand Prix 2014
Michelin Pro 4 Endurance v2 2015
Image
Continental Grand Prix 2014
Michelin Pro 4 Endurance v2 2015

Size and Weight Measurements


Size and Weight Measurements
Model Grand PrixPro 4 Endurance v2
Specified Weight 245 grams245 grams
Measured Weight 239 grams245 grams
System Adjusted Weight 339 grams
(tire + inner tube)		345 grams
(tire + inner tube)
Measured Width 26 mm (un-round)28 mm (un-round)
Measured Height 24 mm (un-round)25 mm (un-round)
Total Tire Thickness Center No Data2.9 mm
Total Tire Thickness Sidewall No DataMembers Only
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 PrixPro 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		 14.0 Watts
CRR: 0.00420		14.2 Watts
CRR: 0.00426
Rolling Resistance
100 PSI / 6.9 Bar		 14.5 Watts
CRR: 0.00435		14.9 Watts
CRR: 0.00447
Rolling Resistance
80 PSI / 5.5 Bar		 Members OnlyMembers Only
Rolling Resistance
60 PSI / 4.1 Bar		 Members OnlyMembers Only
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 PrixPro 4 Endurance v2
Total Puncture Score Tread No Data72 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness No Data2.9 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


Conclusion
Model Grand PrixPro 4 Endurance v2
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4.0 / 55.0 / 5
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  • Michelin Pro 4 Endurance v2
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts


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GoodyearEagle F1 Tubeless13.9 W
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ContinentalUltra Sport III14.1 W
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MichelinPower Endurance14.5 W
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WTBByway TCS Light SG230.4 W
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