MTB Tire Comparison:
IRC Mythos XC 2017 vs
Maxxis Aspen EXO TR 2019
Contents and Test Summary
- Manufacturer Specifications
- Size and Weight Measurements
- Rolling Resistance Test Results
- Puncture Resistance Test Results
- Static Grip Test Results
- Conclusion
- IRC Mythos XC *
- Maxxis Aspen EXO TR
* Grip test data not available
Manufacturer Specifications
| Manufacturer Specifications | ||
|---|---|---|
| Brand | IRC | Maxxis |
| Model | Mythos XC | Aspen EXO TR |
| Year | 2017 | 2019 |
| Supplied By | Bought in store | Bought in store |
| Full Review | Full Review | Full Review |
| New or Used | New | New |
| Mileage | 0 km | 0 km |
| Price Range | High | High |
| Buy At | Ad Amazon.com | Ad Amazon.com |
| Manufacturer Part Number | ETB96895500 | |
| EAN | 4717784032719 | |
| TPI | 60 | 120 |
| Compound | Dual Compound | |
| Bead | Folding | Folding |
| ETRTO | 54-622 | 57-622 |
| Size Inch | 29" | 28" |
| Width Inch | 2.25 | 2.25 |
| Specified Weight | 710 grams | 645 grams |
| Min Air Pressure | 40 psi | psi |
| Max Air Pressure | 45 psi | 60 psi |
| Made In | Members Only | Members Only |
| Available Sizes | 26x1.95 26x2.10 26x2.25 27.5x2.10 29x2.10 29x2.25 | 26x2.10 27.5x2.10 27.5x2.25 29x2.25 |
| Image 1 |  |  |
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| Image 4 | Not Available | Not Available |
Size and Weight Measurements
| Size and Weight Measurements | ||
|---|---|---|
| Model | Mythos XC | Aspen EXO TR |
| Specified Weight | 710 grams | 645 grams |
| Measured Weight | 701 grams | 659 grams |
| Measured Width Carcass | 52 mm (un-round) | 55 mm (un-round) |
| Measured Width Tread | 54 mm | 55 mm |
| Measured Height | 51 mm (un-round) | 55 mm (un-round) |
| Measured Knob Height Center | 2.2 mm | 2.1 mm |
| Measured Knob Height Edge | 4.0 mm | 3.3 mm |
| Measured Casing Thickness Center | 2.20 mm | 2.00 mm |
| Measured Total Thickness Sidewall | Members Only | Members 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 | Mythos XC | Aspen EXO TR |
| Spin Up Video | YouTube | YouTube |
| Inner Tube | None (40 ml sealant) | None (40 ml sealant) |
| Rolling Resistance 55 PSI / 3.8 Bar |
Members Only | Members Only |
| Rolling Resistance 45 PSI / 3.1 Bar |
Members Only | Members Only |
| Rolling Resistance 35 PSI / 2.4 Bar |
23.1 Watts CRR: 0.00692 | 22.7 Watts CRR: 0.00680 |
| Rolling Resistance 25 PSI / 1.7 Bar |
26.3 Watts CRR: 0.00788 | 26.1 Watts CRR: 0.00782 |
| 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 XC | Aspen EXO TR |
| Total Puncture Score Tread | 25 Points | 29 Points |
| Total Puncture Score Sidewall | Members Only | Members Only |
| Tread Puncture Force Sharp Needle | Members Only | Members Only |
| Tread Puncture Force Blunt Needle | Members Only | Members Only |
| Tread Total Tire Thickness | 2.2 mm | 2 mm |
| Sidewall Puncture Force Sharp Needle | Members Only | Members Only |
| Sidewall Puncture Force Blunt Needle | Members Only | Members Only |
| Sidewall Total Tire Thickness | Members Only | Members Only |
Static Grip Test Results
| Static Grip Test Results (higher is better) | ||
|---|---|---|
| Model | Mythos XC | Aspen EXO TR |
| Wet Grip Average | No Data | 53 Points |
| Wet Grip Center | Members Only | Members Only |
| Wet Grip Edge | Members Only | Members Only |
| Measured Knob Height Center | 2.2 mm | 2.1 mm |
| Measured Knob Height Edge | 4.0 mm | 3.3 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 | Mythos XC | Aspen EXO TR |
| Full Review | Full Review | Full Review |
| Verdict | Recommended | Recommended |
| Rating | 3.0 / 5 | 3.0 / 5 |
| Buy At | Ad Amazon.com | Ad Amazon.com |
- IRC Mythos XC *
- Maxxis Aspen EXO TR
* Grip test data not available
Performance compared to all other MTB tires(100% is fastest - lightest - highest - strongest)
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