MTB Tire Comparison:
Continental Cross King Protection 29x2.3 2021 vs
Continental Mountain King II RaceSport 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 29x2.3
  • Continental Mountain King II RaceSport *
* 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 ContinentalContinental
Model Cross King Protection 29x2.3Mountain King II RaceSport
Year 20212015
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 01014750100518
EAN 4019238798418
TPI 3/1803/180
Compound Black ChiliBlack Chili
Bead FoldingFolding
ETRTO 58-62255-622
Size Inch 29"29"
Width Inch 2.302.20
Specified Weight 755 grams635 grams
Min Air Pressure psi psi
Max Air Pressure 54 psi65 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
29x2.40
29x2.20
27.5x2.40
27.5x2.20
26x2.40
26x2.20
Image 1
Continental Cross King Protection 29x2.3 2021
Continental Mountain King II RaceSport 2015
Image 2
Continental Cross King Protection 29x2.3 2021
Continental Mountain King II RaceSport 2015
Image 3
Continental Cross King Protection 29x2.3 2021
Continental Mountain King II RaceSport 2015
Image 4 Not AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model Cross King Protection 29x2.3Mountain King II RaceSport
Specified Weight 755 grams635 grams
Measured Weight 745 grams594 grams
Measured Width Carcass 55 mm (un-round)52 mm (un-round)
Measured Width Tread 58 mm53 mm
Measured Height 55 mm (un-round)52 mm (un-round)
Measured Knob Height Center 3.2 mm4.1 mm
Measured Knob Height Edge 5.1 mm4.7 mm
Measured Casing Thickness Center 2.20 mm1.80 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 29x2.3Mountain King II RaceSport
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
26.3 Watts
CRR: 0.00788
29.6 Watts
CRR: 0.00887
Rolling Resistance
25 PSI / 1.7 Bar
28.4 Watts
CRR: 0.00851
31.5 Watts
CRR: 0.00944
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 29x2.3Mountain King II RaceSport
Total Puncture Score Tread 37 Points34 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 2.2 mm1.8 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 29x2.3Mountain King II RaceSport
Wet Grip Average 64 PointsNo Data
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 3.2 mm4.1 mm
Measured Knob Height Edge 5.1 mm4.7 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 29x2.3Mountain King II RaceSport
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 3.2 / 54.0 / 5
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  • Continental Cross King Protection 29x2.3
  • Continental Mountain King II RaceSport *
* 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