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

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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
  • Schwalbe Kojak
  • Schwalbe Marathon Racer
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts

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 Members OnlyMembers Only
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


Size and Weight Measurements
Model KojakMarathon Racer
Specified Weight 330 grams465 grams
Measured Weight 351 grams450 grams
Measured Width Casing 33 mm (un-round)33 mm (un-round)
Measured Height 31 mm (un-round)32 mm (un-round)
Tread Depth 0 mm1.5 mm
Total Tire Thickness Center 3.9 mm4.6 mm
Total Tire Thickness Sidewall Members OnlyMembers Only
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 KojakMarathon Racer
Spin Up Video YouTubeNo Video
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance
90 PSI / 6 Bar
Members OnlyMembers Only
Rolling Resistance
75 PSI / 5 Bar
21.9 Watts
CRR: 0.00656
22.6 Watts
CRR: 0.00677
Rolling Resistance
60 PSI / 4 Bar
24.8 Watts
CRR: 0.00743
24.6 Watts
CRR: 0.00737
Rolling Resistance
45 PSI / 3 Bar
Members OnlyMembers Only
Rolling Resistance
30 PSI / 2 Bar
Members OnlyMembers Only
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 KojakMarathon Racer
Total Puncture Score Tread 67 Points97 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 3.9 mm4.6 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


Conclusion
Model KojakMarathon Racer
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2.0 / 53.0 / 5
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  • Schwalbe Kojak
  • Schwalbe Marathon Racer
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Pro Members get 9-point radar charts


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