Road Bike Tire Comparison:
Schwalbe Pro One HT (tubular) 2017 vs
Vittoria Zaffiro Slick 2015

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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
  • Schwalbe Pro One HT (tubular)
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand SchwalbeVittoria
Model Pro One HT (tubular)Zaffiro Slick
Year 20172015
Tire Type TubularTubetype (clincher)
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range Very HighLow
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Manufacturer Part Number 11101216111.3ZS.23.25.111TG
EAN
TPI T10726
Compound OneStar
Bead TubularWire
ETRTO 28x2525-622
Size Inch 28"28"
Width mm 2525
Specified Weight 290 grams370 grams
Min Air Pressure 85 psi100 psi
Max Air Pressure 145 psi130 psi
Made In -Thailand
Available Sizes 28x22
28x25
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
Image
Schwalbe Pro One HT (tubular) 2017
Vittoria Zaffiro Slick 2015
Image
Schwalbe Pro One HT (tubular) 2017
Vittoria Zaffiro Slick 2015
Image
Schwalbe Pro One HT (tubular) 2017
Vittoria Zaffiro Slick 2015

Size and Weight Measurements


Size and Weight Measurements
Model Pro One HT (tubular)Zaffiro Slick
Specified Weight 290 grams370 grams
Measured Weight 303 grams398 grams
System Adjusted Weight 313 grams
(tire + tubular glue)
498 grams
(tire + inner tube)
Measured Width 25 mm26 mm
Measured Height 23 mm24 mm
Total Tire Thickness Center 2.6 mm3.6 mm
Total Tire Thickness Sidewall 0.45 mm0.85 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width 32 mmNo Data
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 Pro One HT (tubular)Zaffiro Slick
Inner Tube TubularConti Race28 (100gr butyl)
Spin Up Video YouTubeNo Video
Rolling Resistance
140 PSI / 9.7 Bar
15.8 Watts
CRR: 0.00474
Not Tested
Rolling Resistance
120 PSI / 8.3 Bar
16.1 Watts
CRR: 0.00483
15.7 Watts
CRR: 0.00471
Rolling Resistance
100 PSI / 6.9 Bar
17.4 Watts
CRR: 0.00522
17.1 Watts
CRR: 0.00513
Rolling Resistance
80 PSI / 5.5 Bar
19.1 Watts
CRR: 0.00573
20.1 Watts
CRR: 0.00603
Rolling Resistance
60 PSI / 4.1 Bar
21.6 Watts
CRR: 0.00647
24.4 Watts
CRR: 0.00731
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 Pro One HT (tubular)Zaffiro Slick
Puncture Resistance Tread 10 Points10 Points
Puncture Resistance Sidewall 3 Points4 Points

Conclusion


Conclusion
Model Pro One HT (tubular)Zaffiro Slick
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2.0 / 52.0 / 5
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  • Schwalbe Pro One HT (tubular)
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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