Touring Bike Tire Comparison:
CST E-Series Reach 2015 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
  • CST E-Series Reach
  • Schwalbe Kojak
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specs
Brand CSTSchwalbe
Model E-Series ReachKojak
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
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Manufacturer Part Number 11600020.01
TPI -67
Compound SpeedGrip
Bead WireFolding
ETRTO 37-62235-622
Size Inch 28"28"
Width mm 3735
Specified Weight 734 grams330 grams
Min Air Pressure 50 psi55 psi
Max Air Pressure 75 psi95 psi
Made In ChinaIndonesia
Available Sizes 37-622 (28x1.40)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
CST E-Series Reach 2015
Schwalbe Kojak 2017
Image
CST E-Series Reach 2015
Schwalbe Kojak 2017
Image
CST E-Series Reach 2015
Schwalbe Kojak 2017

Size and Weight Measurements


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Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model E-Series ReachKojak
Specified Weight 734 grams330 grams
Measured Weight 734 grams351 grams
Measured Width Casing 37 mm33 mm
Measured Height 34 mm31 mm
Tread Depth 1.1 mm0 mm
Total Tire Thickness Center 4.4 mm3.9 mm
Total Tire Thickness Sidewall 1.8 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-Series ReachKojak
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance 90 psi / 6 bar No Data20.5 Watts
Rolling Resistance 75 psi / 5 bar 19.0 Watts21.9 Watts
Rolling Resistance 60 psi / 4 bar 21.9 Watts24.8 Watts
Rolling Resistance 45 psi / 3 bar 26.6 Watts29.1 Watts
Rolling Resistance 30 psi / 2 bar 36.2 Watts37.5 Watts
CRR 90 psi / 6 bar No Data0.00615
CRR 75 psi / 5 bar 0.005700.00656
CRR 60 psi / 4 bar 0.006560.00743
CRR 45 psi / 3 bar 0.007970.00872
CRR 30 psi / 2 bar 0.010850.01124
Spin Up Video No VideoYouTube
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Puncture Resistance Test Results

Puncture Resistance Test Results (higher is better)
Model E-Series ReachKojak
Puncture Resistance Tread 10 Points12 Points
Puncture Resistance Side 6 Points3 Points
Puncture Factor Tread* 44 Points47 Points
Puncture Factor Side* 11 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-Series ReachKojak
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 3 / 52 / 5
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  • CST E-Series Reach
  • Schwalbe Kojak
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)


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