Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Michelin Pro 4 Endurance v2 2015
Contents
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 |
| Pricing | Amazon.com | Amazon.com |
| Part Number | 0100637 | 972649 |
| 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 (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar) | ||
|---|---|---|
| Model | Grand Prix | Pro 4 Endurance v2 |
| Measured Weight | 239 grams | 245 grams |
| 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 |
Rolling Resistance Test Results
| Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg) | ||
|---|---|---|
| Model | Grand Prix | Pro 4 Endurance v2 |
| Inner Tube | Conti Race28 (100gr butyl) | Conti Race28 (100gr butyl) |
| Rolling Resistance 140 psi | Not Tested | Not Tested |
| Rolling Resistance 120 psi | 14.0 Watts | 14.2 Watts |
| Rolling Resistance 100 psi | 14.5 Watts | 14.9 Watts |
| Rolling Resistance 80 psi | 15.9 Watts | 16.3 Watts |
| Rolling Resistance 60 psi | 18.5 Watts | 19.1 Watts |
| CRR 140 psi / 9.7 Bar | Not Tested | Not Tested |
| CRR 120 psi / 8.1 Bar | 0.00420 | 0.00426 |
| CRR 100 psi / 6.8 Bar | 0.00435 | 0.00447 |
| CRR 80 psi / 5.5 Bar | 0.00477 | 0.00489 |
| CRR 60 psi / 4.1 Bar | 0.00555 | 0.00573 |
| Spin Up Video | No Video | No Video |
Puncture Resistance Test Results
| Puncture Resistance Test Results (higher is better) | ||
|---|---|---|
| Model | Grand Prix | Pro 4 Endurance v2 |
| Puncture Resistance Tread | 13 | 15 |
| Puncture Resistance Side | Not Tested | 8 |
Conclusion
| Conclusion | ||
|---|---|---|
| Model | Grand Prix | Pro 4 Endurance v2 |
| Full Review | Full Review | Full Review |
| Verdict | Recommended | Highly Recommended |
| Rating | 4 / 5 | 5 / 5 |
| Pricing | Amazon.com | Amazon.com |