Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Schwalbe Pro One HT (tubular) 2017
Contents and Test Summary
- Manufacturer Specifications
- Size and Weight Measurements
- Rolling Resistance Test Results
- Puncture Resistance Test Results
- Conclusion
- Bontrager R4 320
- Schwalbe Pro One HT (tubular)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts
Manufacturer Specifications
Manufacturer Specifications | ||
---|---|---|
Brand | Bontrager | Schwalbe |
Model | R4 320 | Pro One HT (tubular) |
Year | 2016 | 2017 |
Tire Type | Tubetype (clincher) | Tubular |
Supplied By | Bought in store | Bought in store |
Full Review | Full Review | Full Review |
New or Used | New | New |
Mileage | 0 km | 0 km |
Price Range | Very High | Very High |
Buy At | Ad Amazon.com | |
Manufacturer Part Number | 11101216 | |
EAN | ||
TPI | 320 | T107 |
Compound | OneStar | |
Bead | Folding | Tubular |
ETRTO | 25-622 | 28x25 |
Size Inch | 28" | 28" |
Width mm | 25 | 25 |
Specified Weight | 230 grams | 290 grams |
Min Air Pressure | 90 psi | 85 psi |
Max Air Pressure | 140 psi | 145 psi |
Made In | Members Only | Members Only |
Available Sizes | 25-622 (700x25C) | 28x22 28x25 |
Image | ||
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Size and Weight Measurements
Size and Weight Measurements | ||
---|---|---|
Model | R4 320 | Pro One HT (tubular) |
Specified Weight | 230 grams | 290 grams |
Measured Weight | 226 grams | 303 grams |
System Adjusted Weight | 326 grams (tire + inner tube) | 313 grams (tire + tubular glue) |
Measured Width | 25 mm (un-round) | 25 mm (un-round) |
Measured Height | 22 mm (un-round) | 23 mm (un-round) |
Total Tire Thickness Center | 2.2 mm | 2.6 mm |
Total Tire Thickness Sidewall | Members Only | Members Only |
Unmounted Casing Width | No Data | No Data |
Unmounted Tread Width | No Data | Members Only |
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim. |
Rolling Resistance Test Results
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Rolling Resistance Test Results | ||
---|---|---|
Model | R4 320 | Pro One HT (tubular) |
Inner Tube | Conti Race28 (100gr butyl) | Tubular |
Spin Up Video | YouTube | YouTube |
Rolling Resistance 140 PSI / 9.7 Bar |
Not Tested | Members Only |
Rolling Resistance 120 PSI / 8.3 Bar |
11.5 Watts CRR: 0.00345 | 16.1 Watts CRR: 0.00483 |
Rolling Resistance 100 PSI / 6.9 Bar |
12.2 Watts CRR: 0.00366 | 17.4 Watts CRR: 0.00522 |
Rolling Resistance 80 PSI / 5.5 Bar |
Members Only | Members Only |
Rolling Resistance 60 PSI / 4.1 Bar |
Members Only | Members Only |
All numbers are for a single tire at a speed of 29 km/h / 18 mph and a load of 42.5 kg / 94 lbs. 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 320 | Pro One HT (tubular) |
Total Puncture Score Tread | 44 Points | 45 Points |
Total Puncture Score Sidewall | Members Only | Members Only |
Tread Puncture Force Sharp Needle | Members Only | Members Only |
Tread Puncture Force Blunt Needle | Members Only | Members Only |
Tread Total Tire Thickness | 2.2 mm | 2.6 mm |
Sidewall Puncture Force Sharp Needle | Members Only | Members Only |
Sidewall Puncture Force Blunt Needle | Members Only | Members Only |
Sidewall Total Tire Thickness | Members Only | Members Only |
Conclusion
Conclusion | ||
---|---|---|
Model | R4 320 | Pro One HT (tubular) |
Full Review | Full Review | Full Review |
Verdict | Recommended | Not Recommended |
Rating | 4.0 / 5 | 2.0 / 5 |
Buy At | Ad Amazon.com |
- Bontrager R4 320
- Schwalbe Pro One HT (tubular)
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts