Touring Bike Tire Comparison:
Continental Grand Prix Urban 2021 vs
Schwalbe Marathon Plus 2015
Contents and Test Summary
- Manufacturer Specifications
- Size and Weight Measurements
- Rolling Resistance Test Results
- Puncture Resistance Test Results
- Static Grip Test Results
- Conclusion
- Continental Grand Prix Urban
- Schwalbe Marathon Plus *
* Grip test data not available
Performance compared to all other touring bike tires
(100% is best)
(100% is best)
Pro Members get 11-point radar charts
Manufacturer Specifications
Manufacturer Specs | ||
---|---|---|
Brand | Continental | Schwalbe |
Model | Grand Prix Urban | Marathon Plus |
Year | 2021 | 2015 |
Supplied By | Bought in store | Supplied by Schwalbe |
Full Review | Full Review | Full Review |
New or Used | New | New |
Mileage | 0 km | 0 km |
Price Range | High | High |
Buy At | Ad Amazon.com | Ad Amazon.com |
Manufacturer Part Number | 0101575 | 11100769 |
TPI | 3/180 | 67 |
Compound | Black Chili | Endurance |
Bead | Folding | Wire |
ETRTO | 35-622 | 37-622 |
Size Inch | 28" | 28" |
Width mm | 35 | 37 |
Specified Weight | 345 grams | 900 grams |
Min Air Pressure | 65 psi | 55 psi |
Max Air Pressure | 85 psi | 85 psi |
Made In | Members Only | Members Only |
Available Sizes | 35-622 (700x35c) | 40-635 (28x1.50) 47-622 (28x1.75) 40-622 (28x1.50) 37-622 (28x1.40) 32-622 (28x1.25) 28-622 (28x1.10) 25-622 (28x1.00) 42-590 (26x1.60) 37-590 (26x1.40) 40-584 (27.5x1.50) 50-559 (26x2.00) 47-559 (26x1.75) 40-559 (26x1.50) 35-559 (26x1.35) 47-507 (24x1.75) 47-406 (20x1.75) 35-406 (20x1.35) 35-349 (26x1.35) |
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Size and Weight Measurements
Size and Weight Measurements | ||
---|---|---|
Model | Grand Prix Urban | Marathon Plus |
Specified Weight | 345 grams | 900 grams |
Measured Weight | 342 grams | 898 grams |
Measured Width Casing | 33 mm (un-round) | 34 mm (un-round) |
Measured Height | 32 mm (un-round) | 36 mm (un-round) |
Tread Depth | 0.8 mm | 2 mm |
Total Tire Thickness Center | 3.4 mm | 9 mm |
Total Tire Thickness Sidewall | Members Only | Members Only |
All size measurements are taken at an air pressure of 60 psi / 4 bars on a 17.8 mm inner width rim. |
Rolling Resistance Test Results
Rolling Resistance Test Results | ||
---|---|---|
Model | Grand Prix Urban | Marathon Plus |
Spin Up Video | YouTube | YouTube |
Inner Tube | Conti Tour 28 (170 gr butyl) | Conti Tour 28 (170 gr butyl) |
Rolling Resistance 90 PSI / 6 Bar |
Members Only | Members Only |
Rolling Resistance 75 PSI / 5 Bar |
15.2 Watts CRR: 0.00456 | 23.6 Watts CRR: 0.00707 |
Rolling Resistance 60 PSI / 4 Bar |
16.9 Watts CRR: 0.00507 | 25.5 Watts CRR: 0.00764 |
Rolling Resistance 45 PSI / 3 Bar |
Members Only | Members Only |
Rolling Resistance 30 PSI / 2 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 Urban | Marathon Plus |
Total Puncture Score Tread | 66 Points | 129 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 | 3.4 mm | 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 Urban | Marathon Plus |
Wet Grip Average | 68 Points | No Data |
Wet Grip Center | Members Only | Members Only |
Wet Grip Edge | Members Only | Members Only |
Grip in points = coefficient of friction * 100 Tour/E-Bike grip test rim width = 23.0 mm |
||
Conclusion
Conclusion | ||
---|---|---|
Model | Grand Prix Urban | Marathon Plus |
Full Review | Full Review | Full Review |
Verdict | Highly Recommended | Highly Recommended |
Rating | 4.7 / 5 | 5.0 / 5 |
Buy At | Ad Amazon.com | Ad Amazon.com |
- Continental Grand Prix Urban
- Schwalbe Marathon Plus *
* Grip test data not available
Performance compared to all other touring bike tires(100% is fastest - lightest - thickest - strongest)
Pro Members get 11-point radar charts