Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Maxxis High Road 2019

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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
  • Maxxis High Road
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerMaxxis
Model R4 320High Road
Year 20162019
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 ETB00109100
EAN 4717784034584
TPI 320120
Compound HYPR
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams210 grams
Min Air Pressure 90 psi100 psi
Max Air Pressure 140 psi130 psi
Made In ThailandTaiwan
Available Sizes 25-622 (700x25C)25-622 (700x25c)
Image
Bontrager R4 320 2016
Maxxis High Road 2019
Image
Bontrager R4 320 2016
Maxxis High Road 2019
Image
Bontrager R4 320 2016
Maxxis High Road 2019

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320High Road
Specified Weight 230 grams210 grams
Measured Weight 226 grams209 grams
System Adjusted Weight 326 grams
(tire + inner tube)
309 grams
(tire + inner tube)
Measured Width 25 mm27 mm
Measured Height 22 mm25 mm
Total Tire Thickness Center 2.2 mm2.6 mm
Total Tire Thickness Sidewall 0.8 mm0.5 mm
Unmounted Casing Width No Data67 mm
Unmounted Tread Width No Data27 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320High Road
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
13.2 Watts
CRR: 0.00396
Rolling Resistance
100 PSI / 6.9 Bar
12.2 Watts
CRR: 0.00366
14.2 Watts
CRR: 0.00426
Rolling Resistance
80 PSI / 5.5 Bar
13.9 Watts
CRR: 0.00417
16.0 Watts
CRR: 0.00480
Rolling Resistance
60 PSI / 4.1 Bar
16.4 Watts
CRR: 0.00492
18.2 Watts
CRR: 0.00546
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 320High Road
Puncture Resistance Tread 10 Points13 Points
Puncture Resistance Sidewall 4 Points4 Points

Conclusion


Conclusion
Model R4 320High Road
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4 / 54 / 5
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  • Bontrager R4 320
  • Maxxis High Road
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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