Touring Bike Tire Comparison:
Continental E.Contact 2015 vs
Schwalbe Kojak 2017

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Contents

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalSchwalbe
Model E.ContactKojak
Year 20152017
Supplied By Supplied by ContinentalBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
Pricing Amazon.com
Manufacturer Part Number 010068711600020.01
TPI 3/18067
Compound SpeedGrip
Bead WireFolding
ETRTO 37-62235-622
Size Inch 28"28"
Width mm 3735
Specified Weight 800 grams330 grams
Min Air Pressure 56 psi55 psi
Max Air Pressure 87 psi95 psi
Made In IndiaIndonesia
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
47-559 (26x1.75)
32-355 (18x1.25)
32-369 (27x1 1/4)
35-406 (20x1.35)
35-559 (26x1.35)
50-559 (26x2.00)
35-622 (28x.135)
Image
Continental E.Contact 2015
Schwalbe Kojak 2017
Image
Continental E.Contact 2015
Schwalbe Kojak 2017
Image
Continental E.Contact 2015
Schwalbe Kojak 2017

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model E.ContactKojak
Measured Weight 840 grams351 grams
Measured Width Casing 35 mm33 mm
Measured Height 35 mm31 mm
Tread Depth 2 mm0 mm
Total Tire Thickness Center 6.6 mm3.9 mm
Total Tire Thickness Sidewall 1.85 mm0.55 mm
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model E.ContactKojak
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance 90 psi / 6 bar 27.7 Watts20.5 Watts
Rolling Resistance 75 psi / 5 bar 29.6 Watts21.9 Watts
Rolling Resistance 60 psi / 4 bar 33.4 Watts24.8 Watts
Rolling Resistance 45 psi / 3 bar 39.4 Watts29.1 Watts
Rolling Resistance 30 psi / 2 bar 51.1 Watts37.5 Watts
CRR 90 psi / 6 bar 0.008300.00615
CRR 75 psi / 5 bar 0.008870.00656
CRR 60 psi / 4 bar 0.010010.00743
CRR 45 psi / 3 bar 0.011810.00872
CRR 30 psi / 2 bar 0.015320.01124
Spin Up Video No VideoYouTube
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Puncture Resistance Test Results

Puncture Resistance Test Results (higher is better)
Model E.ContactKojak
Puncture Resistance Tread 16 Points12 Points
Puncture Resistance Side 8 Points3 Points
Puncture Factor Tread* 106 Points47 Points
Puncture Factor Side* 15 Points2 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness
Puncture Factor provides a more realistic puncture resistance score for touring tires
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Conclusion


Conclusion
Model E.ContactKojak
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2 / 52 / 5
Pricing Amazon.com

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