Touring Bike Tire Comparison:
Continental Contact II 2015 vs
Vredestein Perfect-E 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
  • Continental Contact II
  • Vredestein Perfect-E
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalVredestein
Model Contact IIPerfect-E
Year 20152015
Supplied By Supplied by ContinentalSupplied by Continental
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
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Manufacturer Part Number 0100262
TPI 3/18030
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 620 grams660 grams
Min Air Pressure 60 psi56 psi
Max Air Pressure 88 psi80 psi
Made In India
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
32-622 (28x1.25)
28-622 (28x1.10)
47-622 (28x1.75)
40-622 (28x1.50)
37-622 (28x1.40)
47-559 (26x1.75)
Image
Continental Contact II 2015
Vredestein Perfect-E 2015
Image
Continental Contact II 2015
Vredestein Perfect-E 2015
Image
Continental Contact II 2015
Vredestein Perfect-E 2015

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model Contact IIPerfect-E
Specified Weight 620 grams660 grams
Measured Weight 623 grams693 grams
Measured Width Casing 34 mm37 mm
Measured Height 31 mm37 mm
Tread Depth 1.8 mm2.2 mm
Total Tire Thickness Center 4.2 mm4.8 mm
Total Tire Thickness Sidewall 1.95 mm1.4 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Contact IIPerfect-E
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
90 PSI / 6 Bar
20.3 Watts
CRR: 0.00609
No Data
Rolling Resistance
75 PSI / 5 Bar
21.7 Watts
CRR: 0.00650
24.6 Watts
CRR: 0.00737
Rolling Resistance
60 PSI / 4 Bar
24.3 Watts
CRR: 0.00728
27.3 Watts
CRR: 0.00818
Rolling Resistance
45 PSI / 3 Bar
28.9 Watts
CRR: 0.00866
32.0 Watts
CRR: 0.00959
Rolling Resistance
30 PSI / 2 Bar
39.4 Watts
CRR: 0.01181
41.3 Watts
CRR: 0.01238
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 Contact IIPerfect-E
Puncture Resistance Tread 11 Points13 Points
Puncture Resistance Side 7 Points4 Points
Puncture Factor Tread* 46 Points62 Points
Puncture Factor Side* 14 Points6 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model Contact IIPerfect-E
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2 / 52 / 5
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  • Continental Contact II
  • Vredestein Perfect-E
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)


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