Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Michelin Pro 4 Endurance v2 2015
Contents and Test Summary
- Manufacturer Specifications
- Size and Weight Measurements
- Rolling Resistance Test Results
- Puncture Resistance Test Results
- Static Grip Test Results
- Conclusion
- Michelin Pro 4 Endurance v2 *
* Grip test data not available
Performance compared to all other road bike tires
(100% is best)
(100% is best)
Pro Members get 11-point radar charts
Manufacturer Specifications
Manufacturer Specifications | ||
---|---|---|
Brand | Continental | Michelin |
Model | Grand Prix | Pro 4 Endurance v2 |
Year | 2014 | 2015 |
Tire Type | Tubetype (clincher) | Tubetype (clincher) |
Supplied By | Bought in store | Bought in store |
Full Review | Full Review | Full Review |
New or Used | New | New |
Mileage | 0 km | 0 km |
Price Range | Med | High |
Buy At | Ad Amazon.com | Ad Amazon.com |
Manufacturer Part Number | 0100637 | 972649 |
EAN | ||
TPI | 3/180 | 3x110 |
Compound | Black Chili | Bi Compound |
Bead | Folding | Folding |
ETRTO | 25-622 | 25-622 |
Size Inch | 28" | 28" |
Width mm | 25 | 25 |
Specified Weight | 245 grams | 245 grams |
Min Air Pressure | 110 psi | 73 psi |
Max Air Pressure | 120 psi | 109 psi |
Made In | Members Only | Members 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) |
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Size and Weight Measurements
Size and Weight Measurements | ||
---|---|---|
Model | Grand Prix | Pro 4 Endurance v2 |
Specified Weight | 245 grams | 245 grams |
Measured Weight | 239 grams | 245 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 Data | 2.9 mm |
Total Tire Thickness Sidewall | No Data | Members Only |
Unmounted Casing Width | No Data | No Data |
Unmounted Tread Width | No Data | No 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 Prix | Pro 4 Endurance v2 |
Inner Tube | Conti Race28 (100gr butyl) | Conti Race28 (100gr butyl) |
Spin Up Video | No Video | No Video |
Rolling Resistance 140 PSI / 9.7 Bar |
Not Tested | Not 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 Only | Members Only |
Rolling Resistance 60 PSI / 4.1 Bar |
Members Only | Members 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 Prix | Pro 4 Endurance v2 |
Total Puncture Score Tread | No Data | 72 Points |
Total Puncture Score Sidewall | Members Only | Members Only |
Tread Puncture Force Sharp Needle | Members Only | Members Only |
Tread Puncture Force Blunt Needle | Members Only | Members Only |
Tread Total Tire Thickness | No Data | 2.9 mm |
Sidewall Puncture Force Sharp Needle | Members Only | Members Only |
Sidewall Puncture Force Blunt Needle | Members Only | Members Only |
Sidewall Total Tire Thickness | Members Only | Members Only |
Static Grip Test Results
Static Grip Test Results (higher is better) | ||
---|---|---|
Model | Grand Prix | Pro 4 Endurance v2 |
Wet Grip Average | No Data | No Data |
Wet Grip Center | Members Only | Members Only |
Wet Grip Edge | Members Only | Members Only |
Grip in points = coefficient of friction * 100 | ||
Conclusion
Conclusion | ||
---|---|---|
Model | Grand Prix | Pro 4 Endurance v2 |
Full Review | Full Review | Full Review |
Verdict | Recommended | Highly Recommended |
Rating | 4.0 / 5 | 5.0 / 5 |
Buy At | Ad Amazon.com | Ad Amazon.com |
- Michelin Pro 4 Endurance v2 *
* Grip test data not available
Performance compared to all other road bike tires(100% is best)
Pro Members get 11-point radar charts