Touring Bike Tire Comparison:
Schwalbe Kojak 2017 vs
Schwalbe Marathon Racer 2015

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Manufacturer Specifications


Manufacturer Specs
Brand SchwalbeSchwalbe
Model KojakMarathon Racer
Year 20172015
Supplied By Bought in storeSupplied by Schwalbe
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
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Manufacturer Part Number 11600020.0111100290
TPI 6767
Compound SpeedGripSpeedGrip
Bead FoldingWire
ETRTO 35-62235-622
Size Inch 28"28"
Width mm 3535
Specified Weight 330 grams465 grams
Min Air Pressure 55 psi65 psi
Max Air Pressure 95 psi95 psi
Made In IndonesiaIndonesia
Available Sizes 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)
40-622 (28x1.50)
35-622 (28x1.35)
30-622 (28x1.20)
40-559 (26x1.50)
40-406 (20x1.50)
40-355 (18x1.50)
40-305 (16x1.50)
Image
Schwalbe Kojak 2017
Schwalbe Marathon Racer 2015
Image
Schwalbe Kojak 2017
Schwalbe Marathon Racer 2015
Image
Schwalbe Kojak 2017
Schwalbe Marathon Racer 2015

Size and Weight Measurements


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Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model KojakMarathon Racer
Measured Weight 351 grams450 grams
Measured Width Casing 33 mm33 mm
Measured Height 31 mm32 mm
Tread Depth 0 mm1.5 mm
Total Tire Thickness Center 3.9 mm4.6 mm
Total Tire Thickness Sidewall 0.55 mm0.8 mm
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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model KojakMarathon Racer
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance 90 psi / 6 bar 20.5 Watts20.9 Watts
Rolling Resistance 75 psi / 5 bar 21.9 Watts22.6 Watts
Rolling Resistance 60 psi / 4 bar 24.8 Watts24.6 Watts
Rolling Resistance 45 psi / 3 bar 29.1 Watts28.8 Watts
Rolling Resistance 30 psi / 2 bar 37.5 Watts38.3 Watts
CRR 90 psi / 6 bar 0.006150.00626
CRR 75 psi / 5 bar 0.006560.00677
CRR 60 psi / 4 bar 0.007430.00737
CRR 45 psi / 3 bar 0.008720.00863
CRR 30 psi / 2 bar 0.011240.01148
Spin Up Video YouTubeNo Video
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Puncture Resistance Test Results

Puncture Resistance Test Results (higher is better)
Model KojakMarathon Racer
Puncture Resistance Tread 12 Points16 Points
Puncture Resistance Side 3 Points4 Points
Puncture Factor Tread* 47 Points74 Points
Puncture Factor Side* 2 Points3 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 KojakMarathon Racer
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2 / 53 / 5
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