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
- Conclusion
- Michelin Pro 4 Endurance v2
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
(100% is fastest - lightest - thickest - strongest)
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 | Germany | Thailand |
| 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 | 28 mm |
| Measured Height | 24 mm | 25 mm |
| Total Tire Thickness Center | No Data | 2.9 mm |
| Total Tire Thickness Sidewall | No Data | 0.9 mm |
| 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 |
15.9 Watts CRR: 0.00477 | 16.3 Watts CRR: 0.00489 |
| Rolling Resistance 60 PSI / 4.1 Bar |
18.5 Watts CRR: 0.00555 | 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 | Pro 4 Endurance v2 |
| Puncture Resistance Tread | 13 Points | 15 Points |
| Puncture Resistance Sidewall | Not Tested | 8 Points |
Conclusion
| Conclusion | ||
|---|---|---|
| Model | Grand Prix | Pro 4 Endurance v2 |
| Full Review | Full Review | Full Review |
| Verdict | Recommended | Highly Recommended |
| Rating | 4 / 5 | 5 / 5 |
| Buy At | Ad Amazon.com | Ad Amazon.com |
- Michelin Pro 4 Endurance v2
(100% is fastest - lightest - thickest - strongest)