Road Bike Tire Comparison:
Continental Grand Prix 4000S II 2014 vs
Continental Ultra Sport II 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
  • Continental Grand Prix 4000S II
  • Continental Ultra Sport II
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalContinental
Model Grand Prix 4000S IIUltra Sport II
Year 20142015
Tire Type Tubetype (clincher)Tubetype (clincher)
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighLow
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Manufacturer Part Number 01009450150011
EAN
TPI 3/3303/180
Compound Black ChiliPureGrip
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 225 grams260 grams
Min Air Pressure 95 psi95 psi
Max Air Pressure 120 psi120 psi
Made In GermanyChina
Available Sizes 20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
32-630 (27x1 1/4)
28-630 (27x1 1/8)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
32-622 (700x32C)
Image
Continental Grand Prix 4000S II 2014
Continental Ultra Sport II 2015
Image
Continental Grand Prix 4000S II 2014
Continental Ultra Sport II 2015
Image
Continental Grand Prix 4000S II 2014
Continental Ultra Sport II 2015

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix 4000S IIUltra Sport II
Specified Weight 225 grams260 grams
Measured Weight 215 grams267 grams
System Adjusted Weight 315 grams
(tire + inner tube)
367 grams
(tire + inner tube)
Measured Width 27 mm26 mm
Measured Height 25 mm24 mm
Total Tire Thickness Center 2.9 mm3 mm
Total Tire Thickness Sidewall 0.55 mm0.7 mm
Unmounted Casing Width No DataNo Data
Unmounted Tread Width No DataNo Data
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Grand Prix 4000S IIUltra Sport II
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
12.2 Watts
CRR: 0.00366
14.3 Watts
CRR: 0.00429
Rolling Resistance
100 PSI / 6.9 Bar
12.9 Watts
CRR: 0.00387
14.8 Watts
CRR: 0.00444
Rolling Resistance
80 PSI / 5.5 Bar
13.7 Watts
CRR: 0.00411
16.4 Watts
CRR: 0.00492
Rolling Resistance
60 PSI / 4.1 Bar
15.5 Watts
CRR: 0.00465
18.9 Watts
CRR: 0.00567
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 IIUltra Sport II
Puncture Resistance Tread 11 Points10 Points
Puncture Resistance Sidewall 5 Points4 Points

Conclusion


Conclusion
Model Grand Prix 4000S IIUltra Sport II
Full Review Full ReviewFull Review
Verdict Highly RecommendedRecommended
Rating 5 / 53 / 5
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  • Continental Grand Prix 4000S II
  • Continental Ultra Sport II
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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