MTB Tire Comparison:
Kenda Small Block Eight 2015 vs
Schwalbe Racing Ralph TL-E PaceStar 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
  • Kenda Small Block Eight
  • Schwalbe Racing Ralph TL-E PaceStar
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand KendaSchwalbe
Model Small Block EightRacing Ralph TL-E PaceStar
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 K1047 21250911600251.02
EAN
TPI 12067
Compound DTCPaceStar
Bead FoldingFolding
ETRTO 54-62257-622
Size Inch 29"29"
Width Inch 2.102.25
Specified Weight 580 grams605 grams
Min Air Pressure 35 psi26 psi
Max Air Pressure 80 psi54 psi
Made In TaiwanIndonesia
Available Sizes 29 x 2.1029 x 2.35
29 x 2.25
29 x 2.10
27.5 x 2.25
27.5 x 2.10
26 x 2.25
Image
Kenda Small Block Eight 2015
Schwalbe Racing Ralph TL-E PaceStar 2015
Image
Kenda Small Block Eight 2015
Schwalbe Racing Ralph TL-E PaceStar 2015
Image
Kenda Small Block Eight 2015
Schwalbe Racing Ralph TL-E PaceStar 2015

Size and Weight Measurements


Size and Weight Measurements
Model Small Block EightRacing Ralph TL-E PaceStar
Specified Weight 580 grams605 grams
Measured Weight 589 grams602 grams
Measured Width Carcass 50 mm54 mm
Measured Width Tread 50 mm55 mm
Measured Height 50 mm52 mm
Measured Knob Height Center 2.5 mm2.5 mm
Measured Knob Height Edge 4.0 mm4.0 mm
Measured Total Thickness Sidewall 0.50 mmNot Tested
Measured Casing Thickness Center 1.40 mmNot Tested
All size measurements are taken at an air pressure of 35 psi / 2.4 bars on a 17 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Small Block EightRacing Ralph TL-E PaceStar
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
25.5 Watts
CRR: 0.00764
18.6 Watts
CRR: 0.00558
Rolling Resistance
45 PSI / 3.1 Bar
27.0 Watts
CRR: 0.00809
19.3 Watts
CRR: 0.00579
Rolling Resistance
35 PSI / 2.4 Bar
30.2 Watts
CRR: 0.00905
20.8 Watts
CRR: 0.00624
Rolling Resistance
25 PSI / 1.7 Bar
35.6 Watts
CRR: 0.01067
24.0 Watts
CRR: 0.00719
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 Small Block EightRacing Ralph TL-E PaceStar
Puncture Resistance Tread 6 Points7 Points
Puncture Resistance Side 5 Points6 Points

Conclusion


Conclusion
Model Small Block EightRacing Ralph TL-E PaceStar
Full Review Full ReviewFull Review
Verdict Not RecommendedHighly Recommended
Rating 2 / 55 / 5
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  • Kenda Small Block Eight
  • Schwalbe Racing Ralph TL-E PaceStar
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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