MTB Tire Comparison:
Maxxis Ikon eXCeption Silkworm 2014 vs
Schwalbe Racing Ralph Performance 2012

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

Manufacturer Specifications


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Manufacturer Specifications
Brand MaxxisSchwalbe
Model Ikon eXCeption SilkwormRacing Ralph Performance
Year 20142012
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewUsed
Mileage 0 km3000 km
Price Range HighMed
Buy At
Manufacturer Part Number TB96753400
EAN
TPI 12067
Compound ExceptionORC
Bead FoldingFolding
ETRTO 57-62257-622
Size Inch 29"29"
Width Inch 2.202.25
Specified Weight 560 grams548 grams
Min Air Pressure psi psi
Max Air Pressure 65 psi65 psi
Made In TaiwanIndonesia
Available Sizes 29 x 2.20
26 x 2.20
29 x 2.25
29 x 2.10
27.5 x 2.25
26 x 2.25
26 x 2.10
Image
Maxxis Ikon eXCeption Silkworm 2014
Schwalbe Racing Ralph Performance 2012
Image
Maxxis Ikon eXCeption Silkworm 2014
Schwalbe Racing Ralph Performance 2012
Image
Maxxis Ikon eXCeption Silkworm 2014
Schwalbe Racing Ralph Performance 2012

Size and Weight Measurements


Size and Weight Measurements
Model Ikon eXCeption SilkwormRacing Ralph Performance
Specified Weight 560 grams548 grams
Measured Weight 583 grams548 grams
Measured Width Carcass 52 mm54 mm
Measured Width Tread 51 mm54 mm
Measured Height 53 mm52 mm
Measured Knob Height Center 2.5 mm1.3 mm
Measured Knob Height Edge 3.8 mm4.2 mm
Measured Total Thickness Sidewall Not TestedNot Tested
Measured Casing Thickness Center Not TestedNot 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


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Rolling Resistance Test Results
Model Ikon eXCeption SilkwormRacing Ralph Performance
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
30.9 Watts
CRR: 0.00926
19.3 Watts
CRR: 0.00579
Rolling Resistance
45 PSI / 3.1 Bar
31.4 Watts
CRR: 0.00941
20.9 Watts
CRR: 0.00626
Rolling Resistance
35 PSI / 2.4 Bar
33.5 Watts
CRR: 0.01004
23.7 Watts
CRR: 0.00710
Rolling Resistance
25 PSI / 1.7 Bar
38.2 Watts
CRR: 0.01145
27.9 Watts
CRR: 0.00836
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 Ikon eXCeption SilkwormRacing Ralph Performance
Puncture Resistance Tread 7 Points10 Points
Puncture Resistance Side 4 PointsNot Tested

Conclusion


Conclusion
Model Ikon eXCeption SilkwormRacing Ralph Performance
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 1 / 54 / 5
Buy At
  • Maxxis Ikon eXCeption Silkworm
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)
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