Road Bike Tire Comparison:
Challenge Strada Pro 2017 vs
Pirelli P Zero Velo 4S 2017

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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
  • Challenge Strada Pro
  • Pirelli P Zero Velo 4S
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ChallengePirelli
Model Strada ProP Zero Velo 4S
Year 20172017
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
EAN
TPI 300127
Compound SmartNET Silica 4S
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 240 grams220 grams
Min Air Pressure 100 psi psi
Max Air Pressure 145 psi110 psi
Made In ThailandFrance
Available Sizes 25-622 (700x25C)23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
Image
Challenge Strada Pro 2017
Pirelli P Zero Velo 4S 2017
Image
Challenge Strada Pro 2017
Pirelli P Zero Velo 4S 2017
Image
Challenge Strada Pro 2017
Pirelli P Zero Velo 4S 2017

Size and Weight Measurements


Size and Weight Measurements
Model Strada ProP Zero Velo 4S
Specified Weight 240 grams220 grams
Measured Weight 254 grams220 grams
System Adjusted Weight 354 grams
(tire + inner tube)
320 grams
(tire + inner tube)
Measured Width 27 mm27 mm
Measured Height 24 mm25 mm
Total Tire Thickness Center 2.3 mm2.9 mm
Total Tire Thickness Sidewall 1 mm0.65 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo 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 Strada ProP Zero Velo 4S
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
13.4 Watts
CRR: 0.00402
14.7 Watts
CRR: 0.00441
Rolling Resistance
100 PSI / 6.9 Bar
14.0 Watts
CRR: 0.00420
15.9 Watts
CRR: 0.00477
Rolling Resistance
80 PSI / 5.5 Bar
15.3 Watts
CRR: 0.00459
17.6 Watts
CRR: 0.00528
Rolling Resistance
60 PSI / 4.1 Bar
17.9 Watts
CRR: 0.00537
20.2 Watts
CRR: 0.00606
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 Strada ProP Zero Velo 4S
Puncture Resistance Tread 11 Points13 Points
Puncture Resistance Sidewall 3 Points5 Points

Conclusion


Conclusion
Model Strada ProP Zero Velo 4S
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 3.0 / 55.0 / 5
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  • Challenge Strada Pro
  • Pirelli P Zero Velo 4S
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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