Road Bike Tire Comparison:
Michelin Power Time Trial 2020 vs
Vittoria Zaffiro Slick 2015

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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
  • Michelin Power Time Trial
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand MichelinVittoria
Model Power Time TrialZaffiro Slick
Year 20202015
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 HighLow
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Manufacturer Part Number 146938111.3ZS.23.25.111TG
EAN 3528701469386
TPI 3x18026
Compound Race-2 compound
Bead FoldingWire
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 190 grams370 grams
Min Air Pressure 73 psi100 psi
Max Air Pressure 116 psi130 psi
Made In ThailandThailand
Available Sizes 23-622 (700x23c)
25-622 (700x25c)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
Image
Michelin Power Time Trial 2020
Vittoria Zaffiro Slick 2015
Image
Michelin Power Time Trial 2020
Vittoria Zaffiro Slick 2015
Image
Michelin Power Time Trial 2020
Vittoria Zaffiro Slick 2015

Size and Weight Measurements


Size and Weight Measurements
Model Power Time TrialZaffiro Slick
Specified Weight 190 grams370 grams
Measured Weight 206 grams398 grams
System Adjusted Weight 306 grams
(tire + inner tube)
498 grams
(tire + inner tube)
Measured Width 27 mm26 mm
Measured Height 24 mm24 mm
Total Tire Thickness Center 2.1 mm3.6 mm
Total Tire Thickness Sidewall 0.55 mm0.85 mm
Unmounted Casing Width 66 mmNo Data
Unmounted Tread Width 27 mmNo 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 Power Time TrialZaffiro Slick
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video YouTubeNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
8.6 Watts
CRR: 0.00258
15.7 Watts
CRR: 0.00471
Rolling Resistance
100 PSI / 6.9 Bar
9.2 Watts
CRR: 0.00276
17.1 Watts
CRR: 0.00513
Rolling Resistance
80 PSI / 5.5 Bar
10.6 Watts
CRR: 0.00318
20.1 Watts
CRR: 0.00603
Rolling Resistance
60 PSI / 4.1 Bar
12.7 Watts
CRR: 0.00381
24.4 Watts
CRR: 0.00731
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 Power Time TrialZaffiro Slick
Puncture Resistance Tread 8 Points10 Points
Puncture Resistance Sidewall 3 Points4 Points

Conclusion


Conclusion
Model Power Time TrialZaffiro Slick
Full Review Full ReviewFull Review
Verdict Highly RecommendedNot Recommended
Rating 5.0 / 52.0 / 5
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  • Michelin Power Time Trial
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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