Road Bike Tire Comparison:
Pirelli P Zero Velo Race TLR SL 2020 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
  • Pirelli P Zero Velo Race TLR SL
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


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Manufacturer Specifications
Brand PirelliVittoria
Model P Zero Velo Race TLR SLZaffiro Slick
Year 20202015
Tire Type TubelessTubetype (clincher)
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighLow
Buy At
Manufacturer Part Number 3905500111.3ZS.23.25.111TG
EAN 8019227390551
TPI 12026
Compound SmartEvo
Bead FoldingWire
ETRTO 26-62225-622
Size Inch 28"28"
Width mm 2625
Specified Weight 245 grams370 grams
Min Air Pressure 72 psi100 psi
Max Air Pressure 109 psi130 psi
Made In FranceThailand
Available Sizes 24-622 (700x24c)
26-622 (700x26c)
28-622 (700x28c)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
Image
Pirelli P Zero Velo Race TLR SL 2020
Vittoria Zaffiro Slick 2015
Image
Pirelli P Zero Velo Race TLR SL 2020
Vittoria Zaffiro Slick 2015
Image
Pirelli P Zero Velo Race TLR SL 2020
Vittoria Zaffiro Slick 2015

Size and Weight Measurements


Size and Weight Measurements
Model P Zero Velo Race TLR SLZaffiro Slick
Specified Weight 245 grams370 grams
Measured Weight 247 grams398 grams
System Adjusted Weight 267 grams
(tire + valve + rim seal)
498 grams
(tire + inner tube)
Measured Width 27 mm26 mm
Measured Height 23 mm24 mm
Total Tire Thickness Center 2.4 mm3.6 mm
Total Tire Thickness Sidewall 1.1 mm0.85 mm
Unmounted Casing Width 63 mmNo Data
Unmounted Tread Width 28 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 P Zero Velo Race TLR SLZaffiro Slick
Inner Tube None (20 ml sealant)Conti Race28 (100gr butyl)
Spin Up Video YouTubeNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
10.3 Watts
CRR: 0.00309
15.7 Watts
CRR: 0.00471
Rolling Resistance
100 PSI / 6.9 Bar
11.3 Watts
CRR: 0.00339
17.1 Watts
CRR: 0.00513
Rolling Resistance
80 PSI / 5.5 Bar
12.9 Watts
CRR: 0.00387
20.1 Watts
CRR: 0.00603
Rolling Resistance
60 PSI / 4.1 Bar
15.6 Watts
CRR: 0.00468
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 P Zero Velo Race TLR SLZaffiro Slick
Puncture Resistance Tread 8 Points10 Points
Puncture Resistance Sidewall 7 Points4 Points

Conclusion


Conclusion
Model P Zero Velo Race TLR SLZaffiro Slick
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4.0 / 52.0 / 5
Buy At
  • Pirelli P Zero Velo Race TLR SL
  • Vittoria Zaffiro Slick
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
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