CX/Gravel Tire Comparison:
Challenge Gravel Grinder 2020 vs
Pirelli Cinturato Cross Hard Terrain 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 Gravel Grinder
  • Pirelli Cinturato Cross Hard Terrain
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ChallengePirelli
Model Gravel GrinderCinturato Cross Hard Terrain
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 005353770500
EAN 88556270053568019227377057
TPI 260127
Compound SpeedGRIP
Bead FoldingFolding
ETRTO 33-62233-622
Specified Weight 0 grams380 grams
Min Air Pressure 35 psi43 psi
Max Air Pressure 75 psi72 psi
Made In ThailandFrance
Available Sizes 33-622 (700x33x)
36-622 (700x36c)
33-622 (700x33c)
Image
Challenge Gravel Grinder 2020
Pirelli Cinturato Cross Hard Terrain 2020
Image
Challenge Gravel Grinder 2020
Pirelli Cinturato Cross Hard Terrain 2020
Image
Challenge Gravel Grinder 2020
Pirelli Cinturato Cross Hard Terrain 2020

Size and Weight Measurements


Size and Weight Measurements
Model Gravel GrinderCinturato Cross Hard Terrain
Specified Weight 0 grams380 grams
Measured Weight 412 grams398 grams
Measured Width Casing 33 mm31 mm
Measured Width Tread 33 mm30 mm
Measured Height 31 mm30 mm
Measured Knob Height Center 0.7 mm2.0 mm
Measured Knob Height Edge 2.3 mm2.3 mm
Measured Total Thickness Sidewall 1.20 mm1.15 mm
Measured Casing Thickness Center 2.60 mm2.00 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 Gravel GrinderCinturato Cross Hard Terrain
Inner Tube Conti Cross28 (160 gr)Conti Cross28 (160 gr)
Spin Up Video YouTubeYouTube
Measured Width 33 mm31 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
23.5 Watts
CRR: 0.00704
21.5 Watts
CRR: 0.00644
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
25.1 Watts
CRR: 0.00752
22.6 Watts
CRR: 0.00677
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
28.7 Watts
CRR: 0.00860
25.2 Watts
CRR: 0.00755
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
33.9 Watts
CRR: 0.01016
29.3 Watts
CRR: 0.00878
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 Gravel GrinderCinturato Cross Hard Terrain
Puncture Resistance Tread 15 Points8 Points
Puncture Resistance Side 4 Points5 Points

Conclusion


Conclusion
Model Gravel GrinderCinturato Cross Hard Terrain
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 3.5 / 54.0 / 5
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  • Challenge Gravel Grinder
  • Pirelli Cinturato Cross Hard Terrain
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)


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