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

Manufacturer Specifications


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Manufacturer Specs
Brand ContinentalCST
Model E.ContactE-Series Reach
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 3/180-
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 800 grams734 grams
Min Air Pressure 56 psi50 psi
Max Air Pressure 87 psi75 psi
Made In IndiaChina
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
47-559 (26x1.75)
37-622 (28x1.40)
Image
Continental E.Contact 2015
CST E-Series Reach 2015
Image
Continental E.Contact 2015
CST E-Series Reach 2015
Image
Continental E.Contact 2015
CST E-Series Reach 2015

Size and Weight Measurements


Size and Weight Measurements
Model E.ContactE-Series Reach
Specified Weight 800 grams734 grams
Measured Weight 840 grams734 grams
Measured Width Casing 35 mm37 mm
Measured Height 35 mm34 mm
Tread Depth 2 mm1.1 mm
Total Tire Thickness Center 6.6 mm4.4 mm
Total Tire Thickness Sidewall 1.85 mm1.8 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


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Rolling Resistance Test Results
Model E.ContactE-Series Reach
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
19.0 Watts
CRR: 0.00570
Rolling Resistance
60 PSI / 4 Bar
33.4 Watts
CRR: 0.01001
21.9 Watts
CRR: 0.00656
Rolling Resistance
45 PSI / 3 Bar
39.4 Watts
CRR: 0.01181
26.6 Watts
CRR: 0.00797
Rolling Resistance
30 PSI / 2 Bar
51.1 Watts
CRR: 0.01532
36.2 Watts
CRR: 0.01085
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.ContactE-Series Reach
Puncture Resistance Tread 16 Points10 Points
Puncture Resistance Side 8 Points6 Points
Puncture Factor Tread* 106 Points44 Points
Puncture Factor Side* 15 Points11 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model E.ContactE-Series Reach
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2 / 53 / 5
Buy At
  • Continental E.Contact
  • CST E-Series Reach
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)
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