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

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalVittoria
Model Contact IIRandonneur
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 Ad Amazon.com
Manufacturer Part Number 0100262111.3R2.26.37.111TG
TPI 3/18030
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 620 grams570 grams
Min Air Pressure 60 psi psi
Max Air Pressure 88 psi70 psi
Made In IndiaThailand
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
Vittoria Randonneur 2015
Image
Continental Contact II 2015
Vittoria Randonneur 2015
Image
Continental Contact II 2015
Vittoria Randonneur 2015

Size and Weight Measurements


Size and Weight Measurements
Model Contact IIRandonneur
Specified Weight 620 grams570 grams
Measured Weight 623 grams598 grams
Measured Width Casing 34 mm33 mm
Measured Height 31 mm33 mm
Tread Depth 1.8 mm1.8 mm
Total Tire Thickness Center 4.2 mm5.7 mm
Total Tire Thickness Sidewall 1.95 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


advertisement
Rolling Resistance Test Results
Model Contact IIRandonneur
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
29.0 Watts
CRR: 0.00869
Rolling Resistance
60 PSI / 4 Bar
24.3 Watts
CRR: 0.00728
32.4 Watts
CRR: 0.00971
Rolling Resistance
45 PSI / 3 Bar
28.9 Watts
CRR: 0.00866
38.9 Watts
CRR: 0.01166
Rolling Resistance
30 PSI / 2 Bar
39.4 Watts
CRR: 0.01181
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 Contact IIRandonneur
Puncture Resistance Tread 11 Points21 Points
Puncture Resistance Side 7 Points4 Points
Puncture Factor Tread* 46 Points120 Points
Puncture Factor Side* 14 Points4 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model Contact IIRandonneur
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2 / 52 / 5
Buy At Ad Amazon.com
  • Continental Contact II
  • Vittoria Randonneur
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)


Get updates on new articles