Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Continental Grand Prix 4000S II 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
  • Continental Grand Prix 4000S II Latex Tube
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerContinental
Model R4 320Grand Prix 4000S II 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 Ad Amazon.com
Manufacturer Part Number 0100945
TPI 3203/330
Compound Black Chili
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams225 grams
Min Air Pressure 90 psi95 psi
Max Air Pressure 140 psi120 psi
Made In ThailandGermany
Available Sizes 25-622 (700x25C)20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
Image
Bontrager R4 320 2016
Continental Grand Prix 4000S II Latex Tube 2014
Image
Bontrager R4 320 2016
Continental Grand Prix 4000S II Latex Tube 2014
Image
Bontrager R4 320 2016
Continental Grand Prix 4000S II Latex Tube 2014

Size and Weight Measurements


advertisement
Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Grand Prix 4000S II Latex Tube
Measured Weight 226 grams215 grams
System Adjusted Weight 326 grams
(tire + inner tube)
315 grams
(tire + inner tube)
Measured Width 25 mm27 mm
Measured Height 22 mm25 mm
Total Tire Thickness Center 2.2 mm2.9 mm
Total Tire Thickness Sidewall 0.8 mm0.55 mm
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 320Grand Prix 4000S II Latex Tube
Inner Tube Conti Race28 (100gr butyl)Michelin Latex
Rolling Resistance 140 psi Not TestedNot Tested
Rolling Resistance 120 psi 11.5 Watts10.6 Watts
Rolling Resistance 100 psi 12.2 Watts11.1 Watts
Rolling Resistance 80 psi 13.9 Watts11.8 Watts
Rolling Resistance 60 psi 16.4 Watts13.3 Watts
CRR 140 psi / 9.7 Bar Not TestedNot Tested
CRR 120 psi / 8.1 Bar 0.003450.00318
CRR 100 psi / 6.8 Bar 0.003660.00333
CRR 80 psi / 5.5 Bar 0.004170.00354
CRR 60 psi / 4.1 Bar 0.004920.00399
Spin Up Video YouTubeNo Video
Loading Chart...

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Grand Prix 4000S II Latex Tube
Puncture Resistance Tread 10 Points11 Points
Puncture Resistance Sidewall 4 Points5 Points
Loading Chart...

Conclusion


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


Get updates on new articles