MTB Tire Comparison:
IRC Mythos XC 2017 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
  • IRC Mythos XC
  • Michelin Jet XCR
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand IRCMichelin
Model Mythos XCJet XCR
Year 20172020
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 492256
EAN 3528704922567
TPI 603x150
Compound Gum-X2D
Bead FoldingFolding
ETRTO 54-62257-622
Size Inch 29"29"
Width Inch 2.252.25
Specified Weight 710 grams600 grams
Min Air Pressure 40 psi26 psi
Max Air Pressure 45 psi58 psi
Made In ChinaThailand
Available Sizes 26x1.95
26x2.10
26x2.25
27.5x2.10
29x2.10
29x2.25
27.5x2.25
29x2.10
29x2.25
Image
IRC Mythos XC 2017
Michelin Jet XCR 2020
Image
IRC Mythos XC 2017
Michelin Jet XCR 2020
Image
IRC Mythos XC 2017
Michelin Jet XCR 2020

Size and Weight Measurements


Size and Weight Measurements
Model Mythos XCJet XCR
Specified Weight 710 grams600 grams
Measured Weight 701 grams627 grams
Measured Width Carcass 52 mm56 mm
Measured Width Tread 54 mm57 mm
Measured Height 51 mm54 mm
Measured Knob Height Center 2.2 mm1.8 mm
Measured Knob Height Edge 4.0 mm4.0 mm
Measured Total Thickness Sidewall 0.65 mm0.95 mm
Measured Casing Thickness Center 2.20 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 Mythos XCJet XCR
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video YouTubeYouTube
Rolling Resistance
55 PSI / 3.8 Bar
23.2 Watts
CRR: 0.00695
25.1 Watts
CRR: 0.00752
Rolling Resistance
45 PSI / 3.1 Bar
24.4 Watts
CRR: 0.00731
26.6 Watts
CRR: 0.00797
Rolling Resistance
35 PSI / 2.4 Bar
26.6 Watts
CRR: 0.00797
29.6 Watts
CRR: 0.00887
Rolling Resistance
25 PSI / 1.7 Bar
30.8 Watts
CRR: 0.00923
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 Mythos XCJet XCR
Puncture Resistance Tread 6 Points8 Points
Puncture Resistance Side 5 Points7 Points

Conclusion


Conclusion
Model Mythos XCJet XCR
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 3 / 52 / 5
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  • IRC Mythos XC
  • Michelin Jet XCR
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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