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

Manufacturer Specifications


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Manufacturer Specs
Brand CSTVittoria
Model E-Series ReachRandonneur
Year 20152015
Supplied By Supplied by ContinentalBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
Buy At
Manufacturer Part Number 111.3R2.26.37.111TG
TPI -30
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 734 grams570 grams
Min Air Pressure 50 psi psi
Max Air Pressure 75 psi70 psi
Made In ChinaThailand
Available Sizes 37-622 (28x1.40)37-622 (28x1.40)
Image
CST E-Series Reach 2015
Vittoria Randonneur 2015
Image
CST E-Series Reach 2015
Vittoria Randonneur 2015
Image
CST E-Series Reach 2015
Vittoria Randonneur 2015

Size and Weight Measurements


Size and Weight Measurements
Model E-Series ReachRandonneur
Specified Weight 734 grams570 grams
Measured Weight 734 grams598 grams
Measured Width Casing 37 mm33 mm
Measured Height 34 mm33 mm
Tread Depth 1.1 mm1.8 mm
Total Tire Thickness Center 4.4 mm5.7 mm
Total Tire Thickness Sidewall 1.8 mm0.9 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-Series ReachRandonneur
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
No DataNo Data
Rolling Resistance
75 PSI / 5 Bar
19.0 Watts
CRR: 0.00570
29.0 Watts
CRR: 0.00869
Rolling Resistance
60 PSI / 4 Bar
21.9 Watts
CRR: 0.00656
32.4 Watts
CRR: 0.00971
Rolling Resistance
45 PSI / 3 Bar
26.6 Watts
CRR: 0.00797
38.9 Watts
CRR: 0.01166
Rolling Resistance
30 PSI / 2 Bar
36.2 Watts
CRR: 0.01085
52.1 Watts
CRR: 0.01562
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-Series ReachRandonneur
Puncture Resistance Tread 10 Points21 Points
Puncture Resistance Side 6 Points4 Points
Puncture Factor Tread* 44 Points120 Points
Puncture Factor Side* 11 Points4 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model E-Series ReachRandonneur
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 3 / 52 / 5
Buy At
  • CST E-Series Reach
  • Vittoria Randonneur
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)
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