MTB Tire Comparison:
IRC Mythos XC 2017 vs
Specialized S-Works Fast Trak 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 Fast Trak
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specifications
Brand IRCSpecialized
Model Mythos XCS-Works Fast Trak
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 0012-4056
EAN
TPI 60120
Compound 60a
Bead FoldingFolding
ETRTO 54-62255-622
Size Inch 29"29"
Width Inch 2.252.20
Specified Weight 710 grams570 grams
Min Air Pressure 40 psi psi
Max Air Pressure 45 psi psi
Made In Members OnlyMembers Only
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 Fast Trak 2016
Image
IRC Mythos XC 2017
Specialized S-Works Fast Trak 2016
Image
IRC Mythos XC 2017
Specialized S-Works Fast Trak 2016

Size and Weight Measurements


Size and Weight Measurements
Model Mythos XCS-Works Fast Trak
Specified Weight 710 grams570 grams
Measured Weight 701 grams588 grams
Measured Width Carcass 52 mm (un-round)53 mm (un-round)
Measured Width Tread 54 mm54 mm
Measured Height 51 mm (un-round)52 mm (un-round)
Measured Knob Height Center 2.2 mm2.5 mm
Measured Knob Height Edge 4.0 mm3.1 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
Measured Casing Thickness Center 2.20 mm1.70 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 Fast Trak
Spin Up Video YouTubeYouTube
Inner Tube Conti MTB 29 (225 gr butyl)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
26.6 Watts
CRR: 0.00797
24.9 Watts
CRR: 0.00746
Rolling Resistance
25 PSI / 1.7 Bar
30.8 Watts
CRR: 0.00923
28.0 Watts
CRR: 0.00839
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 Mythos XCS-Works Fast Trak
Total Puncture Score Tread 25 Points25 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 mm1.7 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


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

Pro Members get 9-point radar charts
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