Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Schwalbe Pro One HT (tubular) 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
  • Schwalbe Pro One HT (tubular)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerSchwalbe
Model R4 320Pro One HT (tubular)
Year 20162017
Tire Type Tubetype (clincher)Tubular
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range Very HighVery High
Buy At
Manufacturer Part Number 11101216
TPI 320T107
Compound OneStar
Bead FoldingTubular
ETRTO 25-62228x25
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams290 grams
Min Air Pressure 90 psi85 psi
Max Air Pressure 140 psi145 psi
Made In Thailand-
Available Sizes 25-622 (700x25C)28x22
28x25
Image
Bontrager R4 320 2016
Schwalbe Pro One HT (tubular) 2017
Image
Bontrager R4 320 2016
Schwalbe Pro One HT (tubular) 2017
Image
Bontrager R4 320 2016
Schwalbe Pro One HT (tubular) 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 320Pro One HT (tubular)
Measured Weight 226 grams303 grams
System Adjusted Weight 326 grams
(tire + inner tube)
313 grams
(tire + tubular glue)
Measured Width 25 mm25 mm
Measured Height 22 mm23 mm
Total Tire Thickness Center 2.2 mm2.6 mm
Total Tire Thickness Sidewall 0.8 mm0.45 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No Data32 mm
Loading Chart...

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Pro One HT (tubular)
Inner Tube Conti Race28 (100gr butyl)Tubular
Rolling Resistance 140 psi Not Tested15.8 Watts
Rolling Resistance 120 psi 11.5 Watts16.1 Watts
Rolling Resistance 100 psi 12.2 Watts17.4 Watts
Rolling Resistance 80 psi 13.9 Watts19.1 Watts
Rolling Resistance 60 psi 16.4 Watts21.6 Watts
CRR 140 psi / 9.7 Bar Not Tested0.00474
CRR 120 psi / 8.1 Bar 0.003450.00483
CRR 100 psi / 6.8 Bar 0.003660.00522
CRR 80 psi / 5.5 Bar 0.004170.00573
CRR 60 psi / 4.1 Bar 0.004920.00647
Spin Up Video YouTubeYouTube
Loading Chart...

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model R4 320Pro One HT (tubular)
Puncture Resistance Tread 10 Points10 Points
Puncture Resistance Sidewall 4 Points3 Points
Loading Chart...

Conclusion


Conclusion
Model R4 320Pro One HT (tubular)
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4 / 52 / 5
Buy At
  • Bontrager R4 320
  • Schwalbe Pro One HT (tubular)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
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