MTB Tire Comparison:
Continental Cross King Protection 2020 vs
Schwalbe Racing Ralph Performance 2012

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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
  • Continental Cross King Protection
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalSchwalbe
Model Cross King ProtectionRacing Ralph Performance
Year 20202012
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewUsed
Mileage 0 km3000 km
Price Range HighMed
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Manufacturer Part Number 0101471
EAN 4019238798043
TPI 3/18067
Compound Black ChiliORC
Bead FoldingFolding
ETRTO 55-62257-622
Size Inch 29"29"
Width Inch 2.202.25
Specified Weight 640 grams548 grams
Min Air Pressure 44 psi psi
Max Air Pressure 58 psi65 psi
Made In GermanyIndonesia
Available Sizes 26x2.20
26x2.30
27.5x2.20
27.5x2.30
29x2.20
29x2.30
29 x 2.25
29 x 2.10
27.5 x 2.25
26 x 2.25
26 x 2.10
Image
Continental Cross King Protection 2020
Schwalbe Racing Ralph Performance 2012
Image
Continental Cross King Protection 2020
Schwalbe Racing Ralph Performance 2012
Image
Continental Cross King Protection 2020
Schwalbe Racing Ralph Performance 2012

Size and Weight Measurements


Size and Weight Measurements
Model Cross King ProtectionRacing Ralph Performance
Specified Weight 640 grams548 grams
Measured Weight 615 grams548 grams
Measured Width Carcass 52 mm54 mm
Measured Width Tread 53 mm54 mm
Measured Height 52 mm52 mm
Measured Knob Height Center 2.5 mm1.3 mm
Measured Knob Height Edge 3.7 mm4.2 mm
Measured Total Thickness Sidewall 1.00 mmNot Tested
Measured Casing Thickness Center 1.90 mmNot Tested
All size measurements are taken at an air pressure of 35 psi / 2.4 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Cross King ProtectionRacing Ralph Performance
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video YouTubeNo Video
Rolling Resistance
55 PSI / 3.8 Bar
22.9 Watts
CRR: 0.00686
19.3 Watts
CRR: 0.00579
Rolling Resistance
45 PSI / 3.1 Bar
23.9 Watts
CRR: 0.00716
20.9 Watts
CRR: 0.00626
Rolling Resistance
35 PSI / 2.4 Bar
25.5 Watts
CRR: 0.00764
23.7 Watts
CRR: 0.00710
Rolling Resistance
25 PSI / 1.7 Bar
29.0 Watts
CRR: 0.00869
27.9 Watts
CRR: 0.00836
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 Cross King ProtectionRacing Ralph Performance
Puncture Resistance Tread 7 Points10 Points
Puncture Resistance Side 7 PointsNot Tested

Conclusion


Conclusion
Model Cross King ProtectionRacing Ralph Performance
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 3 / 54 / 5
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  • Continental Cross King Protection
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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