Touring Bike Tire Comparison:
Continental Top Contact Winter II 2016 vs
Schwalbe Kojak 2017

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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
  • Continental Top Contact Winter II
  • Schwalbe Kojak
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalSchwalbe
Model Top Contact Winter IIKojak
Year 20162017
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighMed
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Manufacturer Part Number 010071311600020.01
TPI 3/18067
Compound Winter compoundSpeedGrip
Bead FoldingFolding
ETRTO 37-62235-622
Size Inch 28"28"
Width mm 3735
Specified Weight 470 grams330 grams
Min Air Pressure 58 psi55 psi
Max Air Pressure 85 psi95 psi
Made In GermanyIndonesia
Available Sizes 42-622 (28x1.60)
37-622 (28x1.40)
55-559 (26x2.20)
50-559 (26x1.90)
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 Top Contact Winter II 2016
Schwalbe Kojak 2017
Image
Continental Top Contact Winter II 2016
Schwalbe Kojak 2017
Image
Continental Top Contact Winter II 2016
Schwalbe Kojak 2017

Size and Weight Measurements


Size and Weight Measurements
Model Top Contact Winter IIKojak
Specified Weight 470 grams330 grams
Measured Weight 468 grams351 grams
Measured Width Casing 32 mm33 mm
Measured Height 32 mm31 mm
Tread Depth 2.3 mm0 mm
Total Tire Thickness Center 5.5 mm3.9 mm
Total Tire Thickness Sidewall 0.85 mm0.55 mm
All size measurements are taken at an air pressure of 60 psi / 4 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Top Contact Winter IIKojak
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Spin Up Video YouTubeYouTube
Rolling Resistance
90 PSI / 6 Bar
26.6 Watts
CRR: 0.00797
20.5 Watts
CRR: 0.00615
Rolling Resistance
75 PSI / 5 Bar
27.0 Watts
CRR: 0.00809
21.9 Watts
CRR: 0.00656
Rolling Resistance
60 PSI / 4 Bar
28.5 Watts
CRR: 0.00854
24.8 Watts
CRR: 0.00743
Rolling Resistance
45 PSI / 3 Bar
30.8 Watts
CRR: 0.00923
29.1 Watts
CRR: 0.00872
Rolling Resistance
30 PSI / 2 Bar
36.4 Watts
CRR: 0.01091
37.5 Watts
CRR: 0.01124
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 Top Contact Winter IIKojak
Puncture Resistance Tread 17 Points12 Points
Puncture Resistance Side 5 Points3 Points
Puncture Factor Tread* 94 Points47 Points
Puncture Factor Side* 4 Points2 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model Top Contact Winter IIKojak
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4 / 52 / 5
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  • Continental Top Contact Winter II
  • Schwalbe Kojak
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)


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