MTB Tire Comparison:
Schwalbe Racing Ralph Performance 2012 vs
Vittoria AKA 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
  • Vittoria AKA
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


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Manufacturer Specifications
Brand SchwalbeVittoria
Model Racing Ralph PerformanceAKA
Year 20122015
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used UsedNew
Mileage 3000 km0 km
Price Range MedHigh
Buy At
Manufacturer Part Number 111.3A9.19.56.111HD
EAN
TPI 67120
Compound ORC
Bead FoldingFolding
ETRTO 57-62256-622
Size Inch 29"29"
Width Inch 2.252.20
Specified Weight 548 grams690 grams
Min Air Pressure psi35 psi
Max Air Pressure 65 psi65 psi
Made In IndonesiaThailand
Available Sizes 29 x 2.25
29 x 2.10
27.5 x 2.25
26 x 2.25
26 x 2.10
29 x 2.20
29 x 2.00
27.5 x 2.20
Image
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015
Image
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015
Image
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015

Size and Weight Measurements


Size and Weight Measurements
Model Racing Ralph PerformanceAKA
Specified Weight 548 grams690 grams
Measured Weight 548 grams685 grams
Measured Width Carcass 54 mm52 mm
Measured Width Tread 54 mm54 mm
Measured Height 52 mm53 mm
Measured Knob Height Center 1.3 mm2.5 mm
Measured Knob Height Edge 4.2 mm3.5 mm
Measured Total Thickness Sidewall Not Tested0.55 mm
Measured Casing Thickness Center Not Tested2.40 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 Racing Ralph PerformanceAKA
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
19.3 Watts
CRR: 0.00579
35.6 Watts
CRR: 0.01067
Rolling Resistance
45 PSI / 3.1 Bar
20.9 Watts
CRR: 0.00626
36.3 Watts
CRR: 0.01088
Rolling Resistance
35 PSI / 2.4 Bar
23.7 Watts
CRR: 0.00710
38.0 Watts
CRR: 0.01139
Rolling Resistance
25 PSI / 1.7 Bar
27.9 Watts
CRR: 0.00836
40.7 Watts
CRR: 0.01220
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 Racing Ralph PerformanceAKA
Puncture Resistance Tread 10 Points12 Points
Puncture Resistance Side Not Tested7 Points

Conclusion


Conclusion
Model Racing Ralph PerformanceAKA
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4 / 51 / 5
Buy At
  • Vittoria AKA
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)
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