MTB Tire Comparison:
Schwalbe Racing Ralph Performance 2012 vs
Vittoria AKA 2015

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Static Grip Test Results
  6. Conclusion
  • Vittoria AKA *
* Grip test data not available
Performance compared to all other MTB tires
(100% is best)
Pro Members get 11-point radar charts

Manufacturer Specifications


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 Members OnlyMembers Only
Available Sizes 29x2.25
29x2.10
27.5x2.25
26x2.25
26x2.10
29x2.20
29x2.00
27.5x2.20
Image 1
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015
Image 2
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015
Image 3
Schwalbe Racing Ralph Performance 2012
Vittoria AKA 2015
Image 4 Not AvailableNot Available

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 mm (un-round)52 mm (un-round)
Measured Width Tread 54 mm54 mm
Measured Height 52 mm (un-round)53 mm (un-round)
Measured Knob Height Center 1.3 mm2.5 mm
Measured Knob Height Edge 4.2 mm3.5 mm
Measured Casing Thickness Center No Data2.40 mm
Measured Total Thickness Sidewall No DataMembers Only
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


Rolling Resistance Test Results
Model Racing Ralph PerformanceAKA
Spin Up Video No VideoNo Video
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Rolling Resistance
55 PSI / 3.8 Bar
Members OnlyMembers Only
Rolling Resistance
45 PSI / 3.1 Bar
Members OnlyMembers Only
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 Results (higher is better)
Model Racing Ralph PerformanceAKA
Total Puncture Score Tread No Data53 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness No Data2.4 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model Racing Ralph PerformanceAKA
Wet Grip Average No DataNo Data
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 1.3 mm2.5 mm
Measured Knob Height Edge 4.2 mm3.5 mm
Grip in points = coefficient of friction * 100
MTB grip test rim width = 30.0 mm
Wet Grip Test and Off-Road Tires (info)

Conclusion


Conclusion
Model Racing Ralph PerformanceAKA
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4.0 / 51.0 / 5
Buy At
  • Vittoria AKA *
* Grip test data not available
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 11-point radar charts