MTB Tire Comparison:
Continental Speed King II RaceSport 2015 vs
Maxxis Ikon eXCeption Silkworm 2014

Facebook like buttonTwitter like buttonEmail share button

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 Ikon eXCeption Silkworm
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMaxxis
Model Speed King II RaceSportIkon eXCeption Silkworm
Year 20152014
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 Ad Amazon.com
Manufacturer Part Number 0100933TB96753400
EAN
TPI 3/180120
Compound Black ChiliException
Bead FoldingFolding
ETRTO 55-62257-622
Size Inch 29"29"
Width Inch 2.202.20
Specified Weight 465 grams560 grams
Min Air Pressure psi psi
Max Air Pressure 65 psi65 psi
Made In GermanyTaiwan
Available Sizes 29 x 2.20
27.5 x 2.20
26 x 2.20
29 x 2.20
26 x 2.20
Image
Continental Speed King II RaceSport 2015
Maxxis Ikon eXCeption Silkworm 2014
Image
Continental Speed King II RaceSport 2015
Maxxis Ikon eXCeption Silkworm 2014
Image
Continental Speed King II RaceSport 2015
Maxxis Ikon eXCeption Silkworm 2014

Size and Weight Measurements


Size and Weight Measurements
Model Speed King II RaceSportIkon eXCeption Silkworm
Specified Weight 465 grams560 grams
Measured Weight 467 grams583 grams
Measured Width Carcass 54 mm52 mm
Measured Width Tread 49 mm51 mm
Measured Height 53 mm53 mm
Measured Knob Height Center 0.5 mm2.5 mm
Measured Knob Height Edge 1.5 mm3.8 mm
Measured Total Thickness Sidewall 0.45 mmNot Tested
Measured Casing Thickness Center 1.70 mmNot Tested
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


advertisement
Rolling Resistance Test Results
Model Speed King II RaceSportIkon eXCeption Silkworm
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
55 PSI / 3.8 Bar
14.5 Watts
CRR: 0.00435
30.9 Watts
CRR: 0.00926
Rolling Resistance
45 PSI / 3.1 Bar
15.1 Watts
CRR: 0.00453
31.4 Watts
CRR: 0.00941
Rolling Resistance
35 PSI / 2.4 Bar
16.6 Watts
CRR: 0.00498
33.5 Watts
CRR: 0.01004
Rolling Resistance
25 PSI / 1.7 Bar
19.1 Watts
CRR: 0.00573
38.2 Watts
CRR: 0.01145
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 Speed King II RaceSportIkon eXCeption Silkworm
Puncture Resistance Tread 7 Points7 Points
Puncture Resistance Side 4 Points4 Points

Conclusion


Conclusion
Model Speed King II RaceSportIkon eXCeption Silkworm
Full Review Full ReviewFull Review
Verdict Highly RecommendedNot Recommended
Rating 5 / 51 / 5
Buy At Ad Amazon.com
  • Continental Speed King II RaceSport
  • Maxxis Ikon eXCeption Silkworm
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


Get updates on new articles