Touring Bike Tire Comparison:
Continental Contact II 2015 vs
CST E-Series Reach 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 Contact II
  • CST E-Series Reach
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalCST
Model Contact IIE-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 Ad Amazon.com
Manufacturer Part Number 0100262
TPI 3/180-
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 620 grams734 grams
Min Air Pressure 60 psi50 psi
Max Air Pressure 88 psi75 psi
Made In Members OnlyMembers Only
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
32-622 (28x1.25)
28-622 (28x1.10)
37-622 (28x1.40)
Image
Continental Contact II 2015
CST E-Series Reach 2015
Image
Continental Contact II 2015
CST E-Series Reach 2015
Image
Continental Contact II 2015
CST E-Series Reach 2015

Size and Weight Measurements


Size and Weight Measurements
Model Contact IIE-Series Reach
Specified Weight 620 grams734 grams
Measured Weight 623 grams734 grams
Measured Width Casing 34 mm (un-round)37 mm (un-round)
Measured Height 31 mm (un-round)34 mm (un-round)
Tread Depth 1.8 mm1.1 mm
Total Tire Thickness Center 4.2 mm4.4 mm
Total Tire Thickness Sidewall Members OnlyMembers Only
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 Contact IIE-Series Reach
Spin Up Video No VideoNo Video
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Rolling Resistance
90 PSI / 6 Bar
Members OnlyNo Data
Rolling Resistance
75 PSI / 5 Bar
21.7 Watts
CRR: 0.00650
19.0 Watts
CRR: 0.00570
Rolling Resistance
60 PSI / 4 Bar
24.3 Watts
CRR: 0.00728
21.9 Watts
CRR: 0.00656
Rolling Resistance
45 PSI / 3 Bar
Members OnlyMembers Only
Rolling Resistance
30 PSI / 2 Bar
Members OnlyMembers Only
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 Contact IIE-Series Reach
Puncture Resistance Tread 11 Points10 Points
Puncture Resistance Side Members OnlyMembers Only
Puncture Factor Tread* 46 Points44 Points
Puncture Factor Side* Members OnlyMembers Only
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


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

Pro Members get 9-point radar charts


Get updates on new articles