MTB Tire Comparison:
Continental Mountain King II RaceSport 2015 vs
Michelin Jet XCR 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
  • Continental Mountain King II RaceSport
  • Michelin Jet XCR
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Mountain King II RaceSportJet XCR
Year 20152020
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 0100518492256
EAN 3528704922567
TPI 3/1803x150
Compound Black ChiliGum-X2D
Bead FoldingFolding
ETRTO 55-62257-622
Size Inch 29"29"
Width Inch 2.202.25
Specified Weight 635 grams600 grams
Min Air Pressure psi26 psi
Max Air Pressure 65 psi58 psi
Made In GermanyThailand
Available Sizes 29 x 2.40
29 x 2.20
27.5 x 2.40
27.5 x 2.20
26 x 2.40
26 x 2.20
27.5x2.25
29x2.10
29x2.25
Image
Continental Mountain King II RaceSport 2015
Michelin Jet XCR 2020
Image
Continental Mountain King II RaceSport 2015
Michelin Jet XCR 2020
Image
Continental Mountain King II RaceSport 2015
Michelin Jet XCR 2020

Size and Weight Measurements


Size and Weight Measurements
Model Mountain King II RaceSportJet XCR
Specified Weight 635 grams600 grams
Measured Weight 594 grams627 grams
Measured Width Carcass 52 mm56 mm
Measured Width Tread 53 mm57 mm
Measured Height 52 mm54 mm
Measured Knob Height Center 4.1 mm1.8 mm
Measured Knob Height Edge 4.7 mm4.0 mm
Measured Total Thickness Sidewall 0.55 mm0.95 mm
Measured Casing Thickness Center 1.80 mm1.80 mm
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 Mountain King II RaceSportJet XCR
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video No VideoYouTube
Rolling Resistance
55 PSI / 3.8 Bar
28.8 Watts
CRR: 0.00863
25.1 Watts
CRR: 0.00752
Rolling Resistance
45 PSI / 3.1 Bar
28.9 Watts
CRR: 0.00866
26.6 Watts
CRR: 0.00797
Rolling Resistance
35 PSI / 2.4 Bar
29.6 Watts
CRR: 0.00887
29.6 Watts
CRR: 0.00887
Rolling Resistance
25 PSI / 1.7 Bar
31.5 Watts
CRR: 0.00944
33.2 Watts
CRR: 0.00995
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 Mountain King II RaceSportJet XCR
Puncture Resistance Tread 9 Points8 Points
Puncture Resistance Side 6 Points7 Points

Conclusion


Conclusion
Model Mountain King II RaceSportJet XCR
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4 / 52 / 5
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  • Continental Mountain King II RaceSport
  • Michelin Jet XCR
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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