Touring Bike Tire Comparison:
Continental Contact II 2015 vs
Vittoria Randonneur 2015

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Static Grip Test Results
  6. Conclusion
  • Continental Contact II *
  • Vittoria Randonneur *
* Grip test data not available
Performance compared to all other touring bike tires
(100% is best)
Pro Members get 11-point radar charts



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
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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 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
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 mm (un-round)33 mm (un-round)
Measured Height 31 mm (un-round)33 mm (un-round)
Tread Depth 1.8 mm1.8 mm
Total Tire Thickness Center 4.2 mm5.7 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


Rolling Resistance Test Results
Model Contact IIRandonneur
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
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
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 IIRandonneur
Total Puncture Score Tread 65 Points150 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness 4.2 mm5.7 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model Contact IIRandonneur
Wet Grip Average No DataNo Data
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Grip in points = coefficient of friction * 100
Tour/E-Bike grip test rim width = 23.0 mm

Conclusion


Conclusion
Model Contact IIRandonneur
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2.0 / 52.0 / 5
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  • Continental Contact II *
  • Vittoria Randonneur *
* Grip test data not available
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Pro Members get 11-point radar charts