Road Bike Tire Comparison:
Continental Grand Prix 4000S II 2014 vs
Continental Grand Prix 4000S II Latex Tube 2014 vs
Vittoria Corsa Speed G+ 1.0 (TLR) 2016

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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 Grand Prix 4000S II
  • Continental Grand Prix 4000S II Latex Tube
  • Vittoria Corsa Speed G+ 1.0 (TLR)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalContinentalVittoria
Model Grand Prix 4000S IIGrand Prix 4000S II Latex TubeCorsa Speed G+ 1.0 (TLR)
Year 201420142016
Tire Type Tubetype (clincher)Tubetype (clincher)Tubeless
Supplied By Bought in storeBought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNewNew
Mileage 0 km0 km0 km
Price Range HighHighHigh
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Manufacturer Part Number 01009450100945111.3CS.00.23.611BX
EAN 8022530005470
TPI 3/3303/330320
Compound Black ChiliBlack ChiliG+
Bead FoldingFoldingFolding
ETRTO 25-62225-62223-622
Size Inch 28"28"28"
Width mm 252523
Specified Weight 225 grams225 grams205 grams
Min Air Pressure 95 psi95 psi87 psi
Max Air Pressure 120 psi120 psi130 psi
Made In GermanyGermanyThailand
Available Sizes 20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
23-622 (700x23C)
Image
Continental Grand Prix 4000S II 2014
Continental Grand Prix 4000S II Latex Tube 2014
Vittoria Corsa Speed G+ 1.0 (TLR) 2016
Image
Continental Grand Prix 4000S II 2014
Continental Grand Prix 4000S II Latex Tube 2014
Vittoria Corsa Speed G+ 1.0 (TLR) 2016
Image
Continental Grand Prix 4000S II 2014
Continental Grand Prix 4000S II Latex Tube 2014
Vittoria Corsa Speed G+ 1.0 (TLR) 2016

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix 4000S IIGrand Prix 4000S II Latex TubeCorsa Speed G+ 1.0 (TLR)
Specified Weight 225 grams225 grams205 grams
Measured Weight 215 grams215 grams225 grams
System Adjusted Weight 315 grams
(tire + inner tube)
315 grams
(tire + inner tube)
245 grams
(tire + valve + rim seal)
Measured Width 27 mm27 mm25 mm
Measured Height 25 mm25 mm22 mm
Total Tire Thickness Center 2.9 mm2.9 mm1.7 mm
Total Tire Thickness Sidewall 0.55 mm0.55 mm0.85 mm
Unmounted Casing Width No DataNo Data66 mm
Unmounted Tread Width No DataNo Data25 mm
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Grand Prix 4000S IIGrand Prix 4000S II Latex TubeCorsa Speed G+ 1.0 (TLR)
Inner Tube Conti Race28 (100gr butyl)Michelin LatexNone (20 ml sealant)
Spin Up Video No VideoNo VideoYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
12.2 Watts
CRR: 0.00366
10.6 Watts
CRR: 0.00318
7.7 Watts
CRR: 0.00231
Rolling Resistance
100 PSI / 6.9 Bar
12.9 Watts
CRR: 0.00387
11.1 Watts
CRR: 0.00333
8.3 Watts
CRR: 0.00249
Rolling Resistance
80 PSI / 5.5 Bar
13.7 Watts
CRR: 0.00411
11.8 Watts
CRR: 0.00354
9.2 Watts
CRR: 0.00276
Rolling Resistance
60 PSI / 4.1 Bar
15.5 Watts
CRR: 0.00465
13.3 Watts
CRR: 0.00399
10.9 Watts
CRR: 0.00327
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 Grand Prix 4000S IIGrand Prix 4000S II Latex TubeCorsa Speed G+ 1.0 (TLR)
Puncture Resistance Tread 11 Points11 Points8 Points
Puncture Resistance Sidewall 5 Points5 Points5 Points

Conclusion


Conclusion
Model Grand Prix 4000S IIGrand Prix 4000S II Latex TubeCorsa Speed G+ 1.0 (TLR)
Full Review Full ReviewFull Review
Verdict Highly RecommendedHighly RecommendedHighly Recommended
Rating 5 / 55 / 55 / 5
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  • Continental Grand Prix 4000S II
  • Continental Grand Prix 4000S II Latex Tube
  • Vittoria Corsa Speed G+ 1.0 (TLR)
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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