Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Continental Grand Prix 5000 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 5000
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerContinental
Model R4 320Grand Prix 5000
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
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Manufacturer Part Number 0101624
EAN 4019238007824
TPI 3203/330
Compound Black Chili
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams215 grams
Min Air Pressure 90 psi psi
Max Air Pressure 140 psi120 psi
Made In ThailandGermany
Available Sizes 25-622 (700x25C)23-622 (700x23c)
25-622 (700x25c)
28-622 (700x28c)
32-622 (700x32c)
25-584 (650x28b)
28-584 (650x25b)
Image
Bontrager R4 320 2016
Continental Grand Prix 5000 2018
Image
Bontrager R4 320 2016
Continental Grand Prix 5000 2018
Image
Bontrager R4 320 2016
Continental Grand Prix 5000 2018

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Grand Prix 5000
Specified Weight 230 grams215 grams
Measured Weight 226 grams221 grams
System Adjusted Weight 326 grams
(tire + inner tube)
321 grams
(tire + inner tube)
Measured Width 25 mm26 mm
Measured Height 22 mm24 mm
Total Tire Thickness Center 2.2 mm2.8 mm
Total Tire Thickness Sidewall 0.8 mm0.55 mm
Unmounted Casing Width No Data66 mm
Unmounted Tread Width No Data28 mm

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Grand Prix 5000
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video YouTubeYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
11.5 Watts
CRR: 0.00345
10.0 Watts
CRR: 0.00300
Rolling Resistance
100 PSI / 6.9 Bar
12.2 Watts
CRR: 0.00366
10.7 Watts
CRR: 0.00321
Rolling Resistance
80 PSI / 5.5 Bar
13.9 Watts
CRR: 0.00417
12.1 Watts
CRR: 0.00363
Rolling Resistance
60 PSI / 4.1 Bar
16.4 Watts
CRR: 0.00492
14.2 Watts
CRR: 0.00426
Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Grand Prix 5000
Puncture Resistance Tread 10 Points10 Points
Puncture Resistance Sidewall 4 Points4 Points

Conclusion


Conclusion
Model R4 320Grand Prix 5000
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
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  • Bontrager R4 320
  • Continental Grand Prix 5000
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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