MTB Tire Comparison:
IRC Mythos XC 2017 vs
Specialized S-Works Ground Control 2016

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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
  • Specialized S-Works Ground Control
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


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Manufacturer Specifications
Brand IRCSpecialized
Model Mythos XCS-Works Ground Control
Year 20172016
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
Buy At
Manufacturer Part Number 0012-5007
EAN
TPI 60120
Compound 60a
Bead FoldingFolding
ETRTO 54-62258-622
Size Inch 29"29"
Width Inch 2.252.30
Specified Weight 710 grams650 grams
Min Air Pressure 40 psi25 psi
Max Air Pressure 45 psi50 psi
Made In ChinaTaiwan
Available Sizes 26x1.95
26x2.10
26x2.25
27.5x2.10
29x2.10
29x2.25
29 x 2.30
29 x 2.10
27.5 x 2.30
27.5 x 2.10
26 x 2.30
26 x 2.10
Image
IRC Mythos XC 2017
Specialized S-Works Ground Control 2016
Image
IRC Mythos XC 2017
Specialized S-Works Ground Control 2016
Image
IRC Mythos XC 2017
Specialized S-Works Ground Control 2016

Size and Weight Measurements


Size and Weight Measurements
Model Mythos XCS-Works Ground Control
Specified Weight 710 grams650 grams
Measured Weight 701 grams686 grams
Measured Width Carcass 52 mm53 mm
Measured Width Tread 54 mm56 mm
Measured Height 51 mm53 mm
Measured Knob Height Center 2.2 mm3.2 mm
Measured Knob Height Edge 4.0 mm4.5 mm
Measured Total Thickness Sidewall 0.65 mm0.50 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 XCS-Works Ground Control
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
24.7 Watts
CRR: 0.00740
Rolling Resistance
45 PSI / 3.1 Bar
24.4 Watts
CRR: 0.00731
25.5 Watts
CRR: 0.00764
Rolling Resistance
35 PSI / 2.4 Bar
26.6 Watts
CRR: 0.00797
27.2 Watts
CRR: 0.00815
Rolling Resistance
25 PSI / 1.7 Bar
30.8 Watts
CRR: 0.00923
31.3 Watts
CRR: 0.00938
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 XCS-Works Ground Control
Puncture Resistance Tread 6 Points6 Points
Puncture Resistance Side 5 Points5 Points

Conclusion


Conclusion
Model Mythos XCS-Works Ground Control
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 3 / 53 / 5
Buy At
  • IRC Mythos XC
  • Specialized S-Works Ground Control
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)
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