Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Maxxis High Road 2019

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Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMaxxis
Model Grand PrixHigh Road
Year 20142019
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 0100637ETB00109100
EAN 4717784034584
TPI 3/180120
Compound Black ChiliHYPR
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 245 grams210 grams
Min Air Pressure 110 psi100 psi
Max Air Pressure 120 psi130 psi
Made In GermanyTaiwan
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
28-559 (26x1 1/8)
28-406 (20x1.10)
25-622 (700x25c)
Image
Continental Grand Prix 2014
Maxxis High Road 2019
Image
Continental Grand Prix 2014
Maxxis High Road 2019
Image
Continental Grand Prix 2014
Maxxis High Road 2019

Size and Weight Measurements


Size and Weight Measurements
Model Grand PrixHigh Road
Specified Weight 245 grams210 grams
Measured Weight 239 grams209 grams
System Adjusted Weight 339 grams
(tire + inner tube)
309 grams
(tire + inner tube)
Measured Width 26 mm27 mm
Measured Height 24 mm25 mm
Total Tire Thickness Center No Data2.6 mm
Total Tire Thickness Sidewall No Data0.5 mm
Unmounted Casing Width No Data67 mm
Unmounted Tread Width No Data27 mm
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Grand PrixHigh Road
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video No VideoYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
14.0 Watts
CRR: 0.00420
13.2 Watts
CRR: 0.00396
Rolling Resistance
100 PSI / 6.9 Bar
14.5 Watts
CRR: 0.00435
14.2 Watts
CRR: 0.00426
Rolling Resistance
80 PSI / 5.5 Bar
15.9 Watts
CRR: 0.00477
16.0 Watts
CRR: 0.00480
Rolling Resistance
60 PSI / 4.1 Bar
18.5 Watts
CRR: 0.00555
18.2 Watts
CRR: 0.00546
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 PrixHigh Road
Puncture Resistance Tread 13 Points13 Points
Puncture Resistance Sidewall Not Tested4 Points

Conclusion


Conclusion
Model Grand PrixHigh Road
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
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  • Maxxis High Road
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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