Road Bike Tire Comparison:
Continental Grand Prix 4000 RS 2018 vs
Specialized Turbo Cotton 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 4000 RS
  • Specialized Turbo Cotton
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


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Manufacturer Specifications
Brand ContinentalSpecialized
Model Grand Prix 4000 RSTurbo Cotton
Year 20182016
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 HighVery High
Buy At
Manufacturer Part Number 010166700015-1503
EAN
TPI 3/330320
Compound Black ChiliGripton
Bead FoldingFolding
ETRTO 25-62224-622
Size Inch 28"28"
Width mm 2524
Specified Weight 205 grams220 grams
Min Air Pressure psi psi
Max Air Pressure 120 psi125 psi
Made In GermanyThailand
Available Sizes 25-622 (700x25c)24-622 (700x24C)
26-622 (700x26C)
Image
Continental Grand Prix 4000 RS 2018
Specialized Turbo Cotton 2016
Image
Continental Grand Prix 4000 RS 2018
Specialized Turbo Cotton 2016
Image
Continental Grand Prix 4000 RS 2018
Specialized Turbo Cotton 2016

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix 4000 RSTurbo Cotton
Specified Weight 205 grams220 grams
Measured Weight 205 grams224 grams
System Adjusted Weight 305 grams
(tire + inner tube)
324 grams
(tire + inner tube)
Measured Width 27 mm25 mm
Measured Height 24 mm22 mm
Total Tire Thickness Center 2.3 mm2.1 mm
Total Tire Thickness Sidewall 0.55 mm0.75 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 4000 RSTurbo Cotton
Inner Tube Conti Race28 (100gr butyl)Conti Race28 (100gr butyl)
Spin Up Video YouTubeYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
10.5 Watts
CRR: 0.00315
10.1 Watts
CRR: 0.00303
Rolling Resistance
100 PSI / 6.9 Bar
11.0 Watts
CRR: 0.00330
11.1 Watts
CRR: 0.00333
Rolling Resistance
80 PSI / 5.5 Bar
12.3 Watts
CRR: 0.00369
12.5 Watts
CRR: 0.00375
Rolling Resistance
60 PSI / 4.1 Bar
14.4 Watts
CRR: 0.00432
15.0 Watts
CRR: 0.00450
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 4000 RSTurbo Cotton
Puncture Resistance Tread 9 Points9 Points
Puncture Resistance Sidewall 4 Points4 Points

Conclusion


Conclusion
Model Grand Prix 4000 RSTurbo Cotton
Full Review Full ReviewFull Review
Verdict Highly RecommendedHighly Recommended
Rating 5 / 55 / 5
Buy At
  • Continental Grand Prix 4000 RS
  • Specialized Turbo Cotton
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)
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