MTB Tire Comparison:
Continental Cross King Protection 29x2.2 2020 vs
Kenda Small Block Eight 2015

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Static Grip Test Results
  6. Conclusion
  • Continental Cross King Protection 29x2.2
  • Kenda Small Block Eight *
* Grip test data not available
Performance compared to all other MTB tires
(100% is best)
Pro Members get 11-point radar charts



Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalKenda
Model Cross King Protection 29x2.2Small Block Eight
Year 20202015
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 0101471K1047 212509
EAN 4019238798043
TPI 3/180120
Compound Black ChiliDTC
Bead FoldingFolding
ETRTO 55-62254-622
Size Inch 29"29"
Width Inch 2.202.10
Specified Weight 640 grams580 grams
Min Air Pressure 44 psi35 psi
Max Air Pressure 58 psi80 psi
Made In Members OnlyMembers Only
Available Sizes 26x2.20
26x2.30
27.5x2.20
27.5x2.30
27.5x2.60
27.5x2.80
29x2.20
29x2.30
29x2.10
Image 1
Continental Cross King Protection 29x2.2 2020
Kenda Small Block Eight 2015
Image 2
Continental Cross King Protection 29x2.2 2020
Kenda Small Block Eight 2015
Image 3
Continental Cross King Protection 29x2.2 2020
Kenda Small Block Eight 2015
Image 4 Not AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model Cross King Protection 29x2.2Small Block Eight
Specified Weight 640 grams580 grams
Measured Weight 615 grams589 grams
Measured Width Carcass 52 mm (un-round)50 mm (un-round)
Measured Width Tread 53 mm50 mm
Measured Height 52 mm (un-round)50 mm (un-round)
Measured Knob Height Center 2.5 mm2.5 mm
Measured Knob Height Edge 3.7 mm4.0 mm
Measured Casing Thickness Center 1.90 mm1.40 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
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


Rolling Resistance Test Results
Model Cross King Protection 29x2.2Small Block Eight
Spin Up Video YouTubeNo Video
Inner Tube None (40 ml sealant)Conti MTB 29 (225 gr butyl)
Rolling Resistance
55 PSI / 3.8 Bar
Members OnlyMembers Only
Rolling Resistance
45 PSI / 3.1 Bar
Members OnlyMembers Only
Rolling Resistance
35 PSI / 2.4 Bar
22.0 Watts
CRR: 0.00659
30.2 Watts
CRR: 0.00905
Rolling Resistance
25 PSI / 1.7 Bar
24.5 Watts
CRR: 0.00734
35.6 Watts
CRR: 0.01067
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 Cross King Protection 29x2.2Small Block Eight
Total Puncture Score Tread 32 Points23 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness 1.9 mm1.4 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model Cross King Protection 29x2.2Small Block Eight
Wet Grip Average 66 PointsNo Data
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 2.5 mm2.5 mm
Measured Knob Height Edge 3.7 mm4.0 mm
Grip in points = coefficient of friction * 100
MTB grip test rim width = 30.0 mm
Wet Grip Test and Off-Road Tires (info)

Conclusion


Conclusion
Model Cross King Protection 29x2.2Small Block Eight
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 3.3 / 52.0 / 5
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  • Continental Cross King Protection 29x2.2
  • Kenda Small Block Eight *
* Grip test data not available
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 11-point radar charts