Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Continental Grand Prix SuperSonic 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
  • Continental Grand Prix SuperSonic
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerContinental
Model R4 320Grand Prix SuperSonic
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
Buy At
Manufacturer Part Number 0101080
TPI 3203/330
Compound Black Chili
Bead FoldingFolding
ETRTO 25-62223-622
Size Inch 28"28"
Width mm 2523
Specified Weight 230 grams150 grams
Min Air Pressure 90 psi115 psi
Max Air Pressure 140 psi145 psi
Made In ThailandGermany
Available Sizes 25-622 (700x25C)20-622 (700x20C)
23-622 (700x23C)
Image
Bontrager R4 320 2016
Continental Grand Prix SuperSonic 2017
Image
Bontrager R4 320 2016
Continental Grand Prix SuperSonic 2017
Image
Bontrager R4 320 2016
Continental Grand Prix SuperSonic 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 320Grand Prix SuperSonic
Measured Weight 226 grams179 grams
System Adjusted Weight 326 grams
(tire + inner tube)
279 grams
(tire + inner tube)
Measured Width 25 mm25 mm
Measured Height 22 mm22 mm
Total Tire Thickness Center 2.2 mm1.9 mm
Total Tire Thickness Sidewall 0.8 mm0.5 mm
Unmounted Casing Width No Data62 mm
Unmounted Tread Width No Data27 mm
Loading Chart...

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Grand Prix SuperSonic
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts10.2 Watts
Rolling Resistance 100 psi 12.2 Watts11.0 Watts
Rolling Resistance 80 psi 13.9 Watts12.5 Watts
Rolling Resistance 60 psi 16.4 Watts15.0 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00306
CRR 100 psi / 6.8 Bar 0.003660.00330
CRR 80 psi / 5.5 Bar 0.004170.00375
CRR 60 psi / 4.1 Bar 0.004920.00450
Spin Up Video YouTubeYouTube
Loading Chart...

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Grand Prix SuperSonic
Puncture Resistance Tread 10 Points7 Points
Puncture Resistance Sidewall 4 Points5 Points
Loading Chart...

Conclusion


Conclusion
Model R4 320Grand Prix SuperSonic
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
Buy At
  • Bontrager R4 320
  • Continental Grand Prix SuperSonic
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
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