Touring Bike Tire Comparison:
Schwalbe Kojak 2017 vs
Vittoria Randonneur 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 SchwalbeVittoria
Model KojakRandonneur
Year 20172015
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
Pricing Amazon.comAmazon.com
Part Number 11600020.01111.3R2.26.37.111TG
TPI 6730
Compound SpeedGrip
Bead FoldingWire
ETRTO 35-62237-622
Size Inch 28"28"
Width mm 3537
Specified Weight 330 grams570 grams
Min Air Pressure 55 psi psi
Max Air Pressure 95 psi70 psi
Made In IndonesiaThailand
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)
37-622 (28x1.40)
Image
Schwalbe Kojak 2017
Vittoria Randonneur 2015
Image
Schwalbe Kojak 2017
Vittoria Randonneur 2015
Image
Schwalbe Kojak 2017
Vittoria Randonneur 2015

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model KojakRandonneur
Measured Weight 351 grams598 grams
Measured Width Casing 33 mm33 mm
Measured Height 31 mm33 mm
Tread Depth 0 mm1.8 mm
Total Tire Thickness Center 3.9 mm5.7 mm
Total Tire Thickness Sidewall 0.55 mm0.9 mm



Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model KojakRandonneur
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 Watts29.0 Watts
Rolling Resistance 60 psi / 4 bar 24.8 Watts32.4 Watts
Rolling Resistance 45 psi / 3 bar 29.1 Watts38.9 Watts
Rolling Resistance 30 psi / 2 bar 37.5 Watts52.1 Watts
CRR 90 psi / 6 bar 0.00615No Data
CRR 75 psi / 5 bar 0.006560.00869
CRR 60 psi / 4 bar 0.007430.00971
CRR 45 psi / 3 bar 0.008720.01166
CRR 30 psi / 2 bar 0.011240.01562
Spin Up Video YouTubeNo Video


Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model KojakRandonneur
Puncture Resistance Tread 1221
Puncture Resistance Side 34
Puncture Factor Tread* 47120
Puncture Factor Side* 24
* Puncture Factor = Puncture Resistance * Total Tire Thickness
Puncture Factor provides a more realistic puncture resistance score for touring tires


Conclusion


Conclusion
Model KojakRandonneur
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2 / 52 / 5
Pricing Amazon.comAmazon.com


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