Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Vittoria Corsa Speed (tubular) 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
  • Bontrager R4 320
  • Vittoria Corsa Speed (tubular)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerVittoria
Model R4 320Corsa Speed (tubular)
Year 20162017
Tire Type Tubetype (clincher)Tubular
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range Very HighVery High
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Manufacturer Part Number 111.1CS.00.23.411BX
TPI 320320
Compound G+
Bead FoldingTubular
ETRTO 25-62228x23
Size Inch 28"28"
Width mm 2523
Specified Weight 230 grams200 grams
Min Air Pressure 90 psi psi
Max Air Pressure 140 psi200 psi
Made In ThailandThailand
Available Sizes 25-622 (700x25C)28x23
Image
Bontrager R4 320 2016
Vittoria Corsa Speed (tubular) 2017
Image
Bontrager R4 320 2016
Vittoria Corsa Speed (tubular) 2017
Image
Bontrager R4 320 2016
Vittoria Corsa Speed (tubular) 2017

Size and Weight Measurements


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Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Corsa Speed (tubular)
Measured Weight 226 grams209 grams
System Adjusted Weight 326 grams
(tire + inner tube)
219 grams
(tire + tubular glue)
Measured Width 25 mm23 mm
Measured Height 22 mm21 mm
Total Tire Thickness Center 2.2 mm1.5 mm
Total Tire Thickness Sidewall 0.8 mm0.45 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No Data26 mm
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Corsa Speed (tubular)
Inner Tube Conti Race28 (100gr butyl)Tubular
Rolling Resistance 140 psi Not Tested8.8 Watts
Rolling Resistance 120 psi 11.5 Watts9.1 Watts
Rolling Resistance 100 psi 12.2 Watts9.9 Watts
Rolling Resistance 80 psi 13.9 Watts11.1 Watts
Rolling Resistance 60 psi 16.4 Watts12.7 Watts
CRR 140 psi / 9.7 Bar Not Tested0.00264
CRR 120 psi / 8.1 Bar 0.003450.00273
CRR 100 psi / 6.8 Bar 0.003660.00297
CRR 80 psi / 5.5 Bar 0.004170.00333
CRR 60 psi / 4.1 Bar 0.004920.00381
Spin Up Video YouTubeYouTube
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Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Corsa Speed (tubular)
Puncture Resistance Tread 10 Points8 Points
Puncture Resistance Sidewall 4 Points3 Points
Loading Chart...

Conclusion


Conclusion
Model R4 320Corsa Speed (tubular)
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
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  • Bontrager R4 320
  • Vittoria Corsa Speed (tubular)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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