Road Bike Tire Comparison:
Continental Grand Prix SuperSonic 2017 vs
Michelin Power Time Trial 2020

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Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • Continental Grand Prix SuperSonic
  • Michelin Power Time Trial
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Grand Prix SuperSonicPower Time Trial
Year 20172020
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 HighHigh
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Manufacturer Part Number 0101080146938
EAN 40192386687043528701469386
TPI 3/3303x180
Compound Black ChiliRace-2 compound
Bead FoldingFolding
ETRTO 23-62225-622
Size Inch 28"28"
Width mm 2325
Specified Weight 150 grams190 grams
Min Air Pressure 115 psi73 psi
Max Air Pressure 145 psi116 psi
Made In GermanyThailand
Available Sizes 20-622 (700x20C)
23-622 (700x23C)
23-622 (700x23c)
25-622 (700x25c)
Image
Continental Grand Prix SuperSonic 2017
Michelin Power Time Trial 2020
Image
Continental Grand Prix SuperSonic 2017
Michelin Power Time Trial 2020
Image
Continental Grand Prix SuperSonic 2017
Michelin Power Time Trial 2020

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix SuperSonicPower Time Trial
Specified Weight 150 grams190 grams
Measured Weight 179 grams206 grams
System Adjusted Weight 279 grams
(tire + inner tube)
306 grams
(tire + inner tube)
Measured Width 25 mm27 mm
Measured Height 22 mm24 mm
Total Tire Thickness Center 1.9 mm2.1 mm
Total Tire Thickness Sidewall 0.5 mm0.55 mm
Unmounted Casing Width 62 mm66 mm
Unmounted Tread Width 27 mm27 mm
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 SuperSonicPower Time Trial
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video YouTubeYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
10.2 Watts
CRR: 0.00306
8.6 Watts
CRR: 0.00258
Rolling Resistance
100 PSI / 6.9 Bar
11.0 Watts
CRR: 0.00330
9.2 Watts
CRR: 0.00276
Rolling Resistance
80 PSI / 5.5 Bar
12.5 Watts
CRR: 0.00375
10.6 Watts
CRR: 0.00318
Rolling Resistance
60 PSI / 4.1 Bar
15.0 Watts
CRR: 0.00450
12.7 Watts
CRR: 0.00381
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 SuperSonicPower Time Trial
Puncture Resistance Tread 7 Points8 Points
Puncture Resistance Sidewall 5 Points3 Points

Conclusion


Conclusion
Model Grand Prix SuperSonicPower Time Trial
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
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  • Continental Grand Prix SuperSonic
  • Michelin Power Time Trial
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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