Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Pirelli P Zero Velo 2017

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Contents

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerPirelli
Model R4 320P Zero Velo
Year 20162017
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 Very HighHigh
Pricing Amazon.com
Part Number
TPI 320127
Compound SmartNET Silica
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams210 grams
Min Air Pressure 90 psi psi
Max Air Pressure 140 psi110 psi
Made In ThailandFrance
Available Sizes 25-622 (700x25C)23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
Image
Bontrager R4 320 2016
Pirelli P Zero Velo 2017
Image
Bontrager R4 320 2016
Pirelli P Zero Velo 2017
Image
Bontrager R4 320 2016
Pirelli P Zero Velo 2017

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320P Zero Velo
Measured Weight 226 grams210 grams
Measured Width 25 mm27 mm
Measured Height 22 mm25 mm
Total Tire Thickness Center 2.2 mm2.6 mm
Total Tire Thickness Sidewall 0.8 mm0.6 mm


Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320P Zero Velo
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts12.5 Watts
Rolling Resistance 100 psi 12.2 Watts13.2 Watts
Rolling Resistance 80 psi 13.9 Watts14.6 Watts
Rolling Resistance 60 psi 16.4 Watts17.2 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00375
CRR 100 psi / 6.8 Bar 0.003660.00396
CRR 80 psi / 5.5 Bar 0.004170.00438
CRR 60 psi / 4.1 Bar 0.004920.00516
Spin Up Video YouTubeYouTube


Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320P Zero Velo
Puncture Resistance Tread 1012
Puncture Resistance Side 44


Conclusion


Conclusion
Model R4 320P Zero Velo
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
Pricing Amazon.com


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