MTB Tire Comparison:
Continental Speed King II RaceSport 2015 vs
Maxxis Aspen EXO TR 2019

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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 Speed King II RaceSport
  • Maxxis Aspen EXO TR
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 ContinentalMaxxis
Model Speed King II RaceSportAspen EXO TR
Year 20152019
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 0100933ETB96895500
EAN 4717784032719
TPI 3/180120
Compound Black ChiliDual Compound
Bead FoldingFolding
ETRTO 55-62257-622
Size Inch 29"28"
Width Inch 2.202.25
Specified Weight 465 grams645 grams
Min Air Pressure psi psi
Max Air Pressure 65 psi60 psi
Made In Members OnlyMembers Only
Available Sizes 29x2.20
27.5x2.20
26x2.20
26x2.10
27.5x2.10
27.5x2.25
29x2.25
Image
Continental Speed King II RaceSport 2015
Maxxis Aspen EXO TR 2019
Image
Continental Speed King II RaceSport 2015
Maxxis Aspen EXO TR 2019
Image
Continental Speed King II RaceSport 2015
Maxxis Aspen EXO TR 2019

Size and Weight Measurements


Size and Weight Measurements
Model Speed King II RaceSportAspen EXO TR
Specified Weight 465 grams645 grams
Measured Weight 467 grams659 grams
Measured Width Carcass 54 mm (un-round)55 mm (un-round)
Measured Width Tread 49 mm55 mm
Measured Height 53 mm (un-round)55 mm (un-round)
Measured Knob Height Center 0.5 mm2.1 mm
Measured Knob Height Edge 1.5 mm3.3 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
Measured Casing Thickness Center 1.70 mm2.00 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 Speed King II RaceSportAspen EXO TR
Spin Up Video No VideoYouTube
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
16.6 Watts
CRR: 0.00498
26.2 Watts
CRR: 0.00785
Rolling Resistance
25 PSI / 1.7 Bar
19.1 Watts
CRR: 0.00573
30.6 Watts
CRR: 0.00917
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 Speed King II RaceSportAspen EXO TR
Total Puncture Score Tread 29 Points29 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 1.7 mm2 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 Speed King II RaceSportAspen EXO TR
Full Review Full ReviewFull Review
Verdict Highly RecommendedRecommended
Rating 5 / 53 / 5
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  • Continental Speed King II RaceSport
  • Maxxis Aspen EXO TR
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 9-point radar charts


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