CX/Gravel Tire Comparison:
Challenge Grifo Pro 2020 vs
Vittoria Terreno Wet G+ 2.0 2020

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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
  • Challenge Grifo Pro
  • Vittoria Terreno Wet G+ 2.0
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ChallengeVittoria
Model Grifo ProTerreno Wet G+ 2.0
Year 20202020
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
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Manufacturer Part Number 11A.00.080
EAN 88556270060328022530018593
TPI 300120
Compound G+ 2.0
Bead FoldingFolding
ETRTO 33-62233-622
Specified Weight 0 grams410 grams
Min Air Pressure 30 psi35 psi
Max Air Pressure 40 psi87 psi
Made In ThailandThailand
Available Sizes 33-622 (700x33c)31-622 (700x31c)
33-622 (700x33c)
38-622 (700x38c)
Image
Challenge Grifo Pro 2020
Vittoria Terreno Wet G+ 2.0 2020
Image
Challenge Grifo Pro 2020
Vittoria Terreno Wet G+ 2.0 2020
Image
Challenge Grifo Pro 2020
Vittoria Terreno Wet G+ 2.0 2020

Size and Weight Measurements


Size and Weight Measurements
Model Grifo ProTerreno Wet G+ 2.0
Specified Weight 0 grams410 grams
Measured Weight 365 grams413 grams
Measured Width Casing 33 mm33 mm
Measured Width Tread 32 mm33 mm
Measured Height 31 mm33 mm
Measured Knob Height Center 1.7 mm2.2 mm
Measured Knob Height Edge 1.8 mm2.1 mm
Measured Total Thickness Sidewall 1.20 mm0.95 mm
Measured Casing Thickness Center 2.20 mm2.60 mm
All size measurements are taken at low air pressure on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Grifo ProTerreno Wet G+ 2.0
Inner Tube Conti Cross28 (160 gr)Conti Cross28 (160 gr)
Spin Up Video YouTubeYouTube
Measured Width 33 mm33 mm
Rolling Resistance
Real tire width in mm:
30-32 = 66 psi/4.6 bar
33-35 = 60 psi/4.1 bar
36-40 = 54 psi/3.7 bar
High Air Pressure
22.0 Watts
CRR: 0.00659
30.5 Watts
CRR: 0.00914
Rolling Resistance
Real tire width in mm:
30-32 = 55 psi/3.8 bar
33-35 = 50 psi/3.4 bar
36-40 = 45 psi/3.1 bar
Medium Air Pressure
23.2 Watts
CRR: 0.00695
31.1 Watts
CRR: 0.00932
Rolling Resistance
Real tire width in mm:
30-32 = 44 psi/3.0 bar
33-35 = 40 psi/2.8 bar
36-40 = 36 psi/2.6 bar
Low Air Pressure
25.7 Watts
CRR: 0.00770
32.2 Watts
CRR: 0.00965
Rolling Resistance
Real tire width in mm:
30-32 = 33 psi/2.3 bar
33-35 = 30 psi/2.1 bar
36-40 = 27 psi/1.9bar
Extra Low Air Pressure
30.6 Watts
CRR: 0.00917
34.7 Watts
CRR: 0.01040
The CX/Gravel section is a multi tire size section, air pressures have been adjusted to the measured casing width.

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 Result (higher is better)
Model Grifo ProTerreno Wet G+ 2.0
Puncture Resistance Tread 9 Points8 Points
Puncture Resistance Side 5 Points5 Points

Conclusion


Conclusion
Model Grifo ProTerreno Wet G+ 2.0
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4.0 / 52.5 / 5
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  • Challenge Grifo Pro
  • Vittoria Terreno Wet G+ 2.0
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)


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