MTB Tire Comparison:
Continental Speed King II RaceSport 2015 vs
Kenda Small Block Eight 2015

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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
  • Kenda Small Block Eight
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalKenda
Model Speed King II RaceSportSmall Block Eight
Year 20152015
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 0100933K1047 212509
EAN
TPI 3/180120
Compound Black ChiliDTC
Bead FoldingFolding
ETRTO 55-62254-622
Size Inch 29"29"
Width Inch 2.202.10
Specified Weight 465 grams580 grams
Min Air Pressure psi35 psi
Max Air Pressure 65 psi80 psi
Made In GermanyTaiwan
Available Sizes 29 x 2.20
27.5 x 2.20
26 x 2.20
29 x 2.10
Image
Continental Speed King II RaceSport 2015
Kenda Small Block Eight 2015
Image
Continental Speed King II RaceSport 2015
Kenda Small Block Eight 2015
Image
Continental Speed King II RaceSport 2015
Kenda Small Block Eight 2015

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 35 psi / 2.4 bar)
Model Speed King II RaceSportSmall Block Eight
Specified Weight 465 grams580 grams
Measured Weight 467 grams589 grams
Measured Width Carcass 54 mm50 mm
Measured Width Tread 49 mm50 mm
Measured Height 53 mm50 mm
Measured Knob Height Center 0.5 mm2.5 mm
Measured Knob Height Edge 1.5 mm4.0 mm
Measured Total Thickness Sidewall 0.45 mm0.50 mm
Measured Casing Thickness Center 1.70 mm1.40 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Speed King II RaceSportSmall Block Eight
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
25.5 Watts
CRR: 0.00764
Rolling Resistance
45 PSI / 3.1 Bar
15.1 Watts
CRR: 0.00453
27.0 Watts
CRR: 0.00809
Rolling Resistance
35 PSI / 2.4 Bar
16.6 Watts
CRR: 0.00498
30.2 Watts
CRR: 0.00905
Rolling Resistance
25 PSI / 1.7 Bar
19.1 Watts
CRR: 0.00573
35.6 Watts
CRR: 0.01067
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 RaceSportSmall Block Eight
Puncture Resistance Tread 7 Points6 Points
Puncture Resistance Side 4 Points5 Points

Conclusion


Conclusion
Model Speed King II RaceSportSmall Block Eight
Full Review Full ReviewFull Review
Verdict Highly RecommendedNot Recommended
Rating 5 / 52 / 5
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  • Continental Speed King II RaceSport
  • Kenda Small Block Eight
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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