Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Vittoria Open Corsa CX III Latex Tube 2014

Facebook like buttonTwitter like buttonEmail share button

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
Loading radar chart with javascript...
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerVittoria
Model R4 320Open Corsa CX III Latex Tube
Year 20162014
Tire Type Tubetype (clincher)Tubetype (clincher)
Supplied By Bought in storeBought in store
Full Review Full Review
New or Used NewNew
Mileage 0 km0 km
Price Range Very HighHigh
Buy At
Manufacturer Part Number 111.391.SC.111.BX
TPI 320320
Compound ISOgrip Compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams220 grams
Min Air Pressure 90 psi psi
Max Air Pressure 140 psi145 psi
Made In ThailandThailand
Available Sizes 25-622 (700x25C)23-622 (700x23C)
25-622 (700x25C)
Image
Bontrager R4 320 2016
Vittoria Open Corsa CX III Latex Tube 2014
Image
Bontrager R4 320 2016
Vittoria Open Corsa CX III Latex Tube 2014
Image
Bontrager R4 320 2016
Vittoria Open Corsa CX III Latex Tube 2014

Size and Weight Measurements


advertisement
Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Open Corsa CX III Latex Tube
Measured Weight 226 grams237 grams
System Adjusted Weight 326 grams
(tire + inner tube)
337 grams
(tire + inner tube)
Measured Width 25 mm28 mm
Measured Height 22 mm25 mm
Total Tire Thickness Center 2.2 mmNo Data
Total Tire Thickness Sidewall 0.8 mmNo Data
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
Loading Chart...

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Open Corsa CX III Latex Tube
Inner Tube Conti Race28 (100gr butyl)Michelin Latex
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts11.7 Watts
Rolling Resistance 100 psi 12.2 Watts12.2 Watts
Rolling Resistance 80 psi 13.9 Watts13.0 Watts
Rolling Resistance 60 psi 16.4 Watts14.6 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00351
CRR 100 psi / 6.8 Bar 0.003660.00366
CRR 80 psi / 5.5 Bar 0.004170.00390
CRR 60 psi / 4.1 Bar 0.004920.00438
Spin Up Video YouTubeNo Video
Loading Chart...

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Open Corsa CX III Latex Tube
Puncture Resistance Tread 10 Points12 Points
Puncture Resistance Sidewall 4 PointsNot Tested
Loading Chart...

Conclusion


Conclusion
Model R4 320Open Corsa CX III Latex Tube
Full Review Full Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
Buy At
  • Bontrager R4 320
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
advertisement


Get updates on new articles