CX/Gravel Tire Comparison:
Challenge Grifo Pro 2020 vs
Vittoria Terreno Mix 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 Mix 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 Mix 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.00.075
EAN 88556270060328022530018494
TPI 300120
Compound G+ 2.0
Bead FoldingFolding
ETRTO 33-62233-622
Specified Weight 0 grams420 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)
40-622 (700x40c)
Image
Challenge Grifo Pro 2020
Vittoria Terreno Mix G+ 2.0 2020
Image
Challenge Grifo Pro 2020
Vittoria Terreno Mix G+ 2.0 2020
Image
Challenge Grifo Pro 2020
Vittoria Terreno Mix G+ 2.0 2020

Size and Weight Measurements


Size and Weight Measurements
Model Grifo ProTerreno Mix G+ 2.0
Specified Weight 0 grams420 grams
Measured Weight 365 grams416 grams
Measured Width Casing 33 mm33 mm
Measured Width Tread 32 mm29 mm
Measured Height 31 mm32 mm
Measured Knob Height Center 1.7 mm2.2 mm
Measured Knob Height Edge 1.8 mm1.5 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 Mix 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
26.2 Watts
CRR: 0.00785
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
27.9 Watts
CRR: 0.00836
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
29.4 Watts
CRR: 0.00881
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
33.4 Watts
CRR: 0.01001
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 Mix G+ 2.0
Puncture Resistance Tread 9 Points8 Points
Puncture Resistance Side 5 Points5 Points

Conclusion


Conclusion
Model Grifo ProTerreno Mix G+ 2.0
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4.0 / 53.0 / 5
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  • Challenge Grifo Pro
  • Vittoria Terreno Mix G+ 2.0
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)


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