Touring Bike Tire Comparison:
Continental E.Contact 2015 vs
Vredestein Perfect-E 2015

Facebook like buttonTwitter like buttonEmail share button

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 E.Contact
  • Vredestein Perfect-E
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


advertisement
Manufacturer Specs
Brand ContinentalVredestein
Model E.ContactPerfect-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
Buy At
Manufacturer Part Number 0100687
TPI 3/18030
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 800 grams660 grams
Min Air Pressure 56 psi56 psi
Max Air Pressure 87 psi80 psi
Made In India
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
47-559 (26x1.75)
47-622 (28x1.75)
40-622 (28x1.50)
37-622 (28x1.40)
47-559 (26x1.75)
Image
Continental E.Contact 2015
Vredestein Perfect-E 2015
Image
Continental E.Contact 2015
Vredestein Perfect-E 2015
Image
Continental E.Contact 2015
Vredestein Perfect-E 2015

Size and Weight Measurements


Size and Weight Measurements
Model E.ContactPerfect-E
Specified Weight 800 grams660 grams
Measured Weight 840 grams693 grams
Measured Width Casing 35 mm37 mm
Measured Height 35 mm37 mm
Tread Depth 2 mm2.2 mm
Total Tire Thickness Center 6.6 mm4.8 mm
Total Tire Thickness Sidewall 1.85 mm1.4 mm
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


advertisement
Rolling Resistance Test Results
Model E.ContactPerfect-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
27.7 Watts
CRR: 0.00830
No Data
Rolling Resistance
75 PSI / 5 Bar
29.6 Watts
CRR: 0.00887
24.6 Watts
CRR: 0.00737
Rolling Resistance
60 PSI / 4 Bar
33.4 Watts
CRR: 0.01001
27.3 Watts
CRR: 0.00818
Rolling Resistance
45 PSI / 3 Bar
39.4 Watts
CRR: 0.01181
32.0 Watts
CRR: 0.00959
Rolling Resistance
30 PSI / 2 Bar
51.1 Watts
CRR: 0.01532
41.3 Watts
CRR: 0.01238
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 E.ContactPerfect-E
Puncture Resistance Tread 16 Points13 Points
Puncture Resistance Side 8 Points4 Points
Puncture Factor Tread* 106 Points62 Points
Puncture Factor Side* 15 Points6 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


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


Get updates on new articles