Road Bike Tire Comparison:
Challenge Strada Pro 2017 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
  • Challenge Strada Pro
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ChallengeVittoria
Model Strada ProZaffiro Slick
Year 20172015
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 111.3ZS.23.25.111TG
EAN
TPI 30026
Compound
Bead FoldingWire
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 240 grams370 grams
Min Air Pressure 100 psi100 psi
Max Air Pressure 145 psi130 psi
Made In ThailandThailand
Available Sizes 25-622 (700x25C)23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
Image
Challenge Strada Pro 2017
Vittoria Zaffiro Slick 2015
Image
Challenge Strada Pro 2017
Vittoria Zaffiro Slick 2015
Image
Challenge Strada Pro 2017
Vittoria Zaffiro Slick 2015

Size and Weight Measurements


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Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model Strada ProZaffiro Slick
Specified Weight 240 grams370 grams
Measured Weight 254 grams398 grams
System Adjusted Weight 354 grams
(tire + inner tube)
498 grams
(tire + inner tube)
Measured Width 27 mm26 mm
Measured Height 24 mm24 mm
Total Tire Thickness Center 2.3 mm3.6 mm
Total Tire Thickness Sidewall 1 mm0.85 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Strada ProZaffiro Slick
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 13.4 Watts15.7 Watts
Rolling Resistance 100 psi 14.0 Watts17.1 Watts
Rolling Resistance 80 psi 15.3 Watts20.1 Watts
Rolling Resistance 60 psi 17.9 Watts24.4 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.004020.00471
CRR 100 psi / 6.8 Bar 0.004200.00513
CRR 80 psi / 5.5 Bar 0.004590.00603
CRR 60 psi / 4.1 Bar 0.005370.00731
Spin Up Video YouTubeNo Video
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Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Strada ProZaffiro Slick
Puncture Resistance Tread 11 Points10 Points
Puncture Resistance Sidewall 3 Points4 Points
Loading Chart...

Conclusion


Conclusion
Model Strada ProZaffiro Slick
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 3 / 52 / 5
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  • Challenge Strada Pro
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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