Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Continental Grand Prix 2014

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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 BontragerContinental
Model R4 320Grand Prix
Year 20162014
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 HighMed
Pricing Amazon.com
Part Number 0100637
TPI 3203/180
Compound Black Chili
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams245 grams
Min Air Pressure 90 psi110 psi
Max Air Pressure 140 psi120 psi
Made In ThailandGermany
Available Sizes 25-622 (700x25C)23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
28-559 (26x1 1/8)
28-406 (20x1.10)
Image
Bontrager R4 320 2016
Continental Grand Prix 2014
Image
Bontrager R4 320 2016
Continental Grand Prix 2014
Image
Bontrager R4 320 2016
Continental Grand Prix 2014

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Grand Prix
Measured Weight 226 grams239 grams
Measured Width 25 mm26 mm
Measured Height 22 mm24 mm
Total Tire Thickness Center 2.2 mmNo Data
Total Tire Thickness Sidewall 0.8 mmNo Data


Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Grand Prix
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts14.0 Watts
Rolling Resistance 100 psi 12.2 Watts14.5 Watts
Rolling Resistance 80 psi 13.9 Watts15.9 Watts
Rolling Resistance 60 psi 16.4 Watts18.5 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00420
CRR 100 psi / 6.8 Bar 0.003660.00435
CRR 80 psi / 5.5 Bar 0.004170.00477
CRR 60 psi / 4.1 Bar 0.004920.00555
Spin Up Video YouTubeNo Video


Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Grand Prix
Puncture Resistance Tread 1013
Puncture Resistance Side 4Not Tested


Conclusion


Conclusion
Model R4 320Grand Prix
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
Pricing Amazon.com


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