Touring Bike Tire Comparison:
Schwalbe Kojak 2017 vs
Vredestein Perfect-E 2015

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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 SchwalbeVredestein
Model KojakPerfect-E
Year 20172015
Supplied By Bought in storeSupplied by Continental
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
Pricing Amazon.com
Part Number 11600020.01-
TPI 6730
Compound SpeedGrip
Bead FoldingWire
ETRTO 35-62237-622
Size Inch 28"28"
Width mm 3537
Specified Weight 330 grams660 grams
Min Air Pressure 55 psi56 psi
Max Air Pressure 95 psi80 psi
Made In Indonesia
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)
47-622 (28x1.75)
40-622 (28x1.50)
37-622 (28x1.40)
47-559 (26x1.75)
Image
Schwalbe Kojak 2017
Vredestein Perfect-E 2015
Image
Schwalbe Kojak 2017
Vredestein Perfect-E 2015
Image
Schwalbe Kojak 2017
Vredestein Perfect-E 2015

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model KojakPerfect-E
Measured Weight 351 grams693 grams
Measured Width Casing 33 mm37 mm
Measured Height 31 mm37 mm
Tread Depth 0 mm2.2 mm
Total Tire Thickness Center 3.9 mm4.8 mm
Total Tire Thickness Sidewall 0.55 mm1.4 mm



Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model KojakPerfect-E
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance 90 psi / 6 bar 20.5 WattsNo Data
Rolling Resistance 75 psi / 5 bar 21.9 Watts24.6 Watts
Rolling Resistance 60 psi / 4 bar 24.8 Watts27.3 Watts
Rolling Resistance 45 psi / 3 bar 29.1 Watts32.0 Watts
Rolling Resistance 30 psi / 2 bar 37.5 Watts41.3 Watts
CRR 90 psi / 6 bar 0.00615No Data
CRR 75 psi / 5 bar 0.006560.00737
CRR 60 psi / 4 bar 0.007430.00818
CRR 45 psi / 3 bar 0.008720.00959
CRR 30 psi / 2 bar 0.011240.01238
Spin Up Video YouTubeNo Video


Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model KojakPerfect-E
Puncture Resistance Tread 1213
Puncture Resistance Side 34
Puncture Factor Tread* 4762
Puncture Factor Side* 26
* Puncture Factor = Puncture Resistance * Total Tire Thickness
Puncture Factor provides a more realistic puncture resistance score for touring tires


Conclusion


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


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