Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Continental Grand Prix 4000 RS 2018

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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 4000 RS
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


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Manufacturer Specifications
Brand BontragerContinental
Model R4 320Grand Prix 4000 RS
Year 20162018
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 0101667
EAN
TPI 3203/330
Compound Black Chili
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams205 grams
Min Air Pressure 90 psi psi
Max Air Pressure 140 psi120 psi
Made In ThailandGermany
Available Sizes 25-622 (700x25C)25-622 (700x25c)
Image
Bontrager R4 320 2016
Continental Grand Prix 4000 RS 2018
Image
Bontrager R4 320 2016
Continental Grand Prix 4000 RS 2018
Image
Bontrager R4 320 2016
Continental Grand Prix 4000 RS 2018

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Grand Prix 4000 RS
Specified Weight 230 grams205 grams
Measured Weight 226 grams205 grams
System Adjusted Weight 326 grams
(tire + inner tube)
305 grams
(tire + inner tube)
Measured Width 25 mm27 mm
Measured Height 22 mm24 mm
Total Tire Thickness Center 2.2 mm2.3 mm
Total Tire Thickness Sidewall 0.8 mm0.55 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Grand Prix 4000 RS
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts10.5 Watts
Rolling Resistance 100 psi 12.2 Watts11.0 Watts
Rolling Resistance 80 psi 13.9 Watts12.3 Watts
Rolling Resistance 60 psi 16.4 Watts14.4 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00315
CRR 100 psi / 6.8 Bar 0.003660.00330
CRR 80 psi / 5.5 Bar 0.004170.00369
CRR 60 psi / 4.1 Bar 0.004920.00432
Spin Up Video YouTubeYouTube

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Grand Prix 4000 RS
Puncture Resistance Tread 10 Points9 Points
Puncture Resistance Sidewall 4 Points4 Points

Conclusion


Conclusion
Model R4 320Grand Prix 4000 RS
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
Buy At
  • Bontrager R4 320
  • Continental Grand Prix 4000 RS
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
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