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)

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 GermanyTaiwan
Available Sizes 29 x 2.20
27.5 x 2.20
26 x 2.20
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 (Bike Wheel: 622-17C, Pressure: 35 psi / 2.4 bar)
Model Speed King II RaceSportAspen EXO TR
Specified Weight 465 grams645 grams
Measured Weight 467 grams659 grams
Measured Width Carcass 54 mm55 mm
Measured Width Tread 49 mm55 mm
Measured Height 53 mm55 mm
Measured Knob Height Center 0.5 mm2.1 mm
Measured Knob Height Edge 1.5 mm3.3 mm
Measured Total Thickness Sidewall 0.45 mm0.85 mm
Measured Casing Thickness Center 1.70 mm2.00 mm

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Speed King II RaceSportAspen EXO TR
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video No VideoYouTube
Rolling Resistance
55 PSI / 3.8 Bar
14.5 Watts
CRR: 0.00435
22.7 Watts
CRR: 0.00680
Rolling Resistance
45 PSI / 3.1 Bar
15.1 Watts
CRR: 0.00453
24.3 Watts
CRR: 0.00728
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
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 Speed King II RaceSportAspen EXO TR
Puncture Resistance Tread 7 Points6 Points
Puncture Resistance Side 4 Points5 Points

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)


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