Road Bike Tire Comparison:
Continental Grand Prix 4000S II Latex Tube 2014 vs
Michelin Power Road TLR 2020

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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 Latex Tube
  • Michelin Power Road TLR
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Grand Prix 4000S II Latex TubePower Road TLR
Year 20142020
Tire Type Tubetype (clincher)Tubeless
Supplied By Bought in storeBought in store
Full Review Full Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
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Manufacturer Part Number 0100945876172
EAN 3528708761728
TPI 3/3304x120
Compound Black ChiliX-Race compound
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 225 grams275 grams
Min Air Pressure 95 psi73 psi
Max Air Pressure 120 psi116 psi
Made In GermanyThailand
Available Sizes 20-622 (700x20C)
23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
25-622 (700x25c)
28-622 (700x28c)
32-622 (700x32c)
Image
Continental Grand Prix 4000S II Latex Tube 2014
Michelin Power Road TLR 2020
Image
Continental Grand Prix 4000S II Latex Tube 2014
Michelin Power Road TLR 2020
Image
Continental Grand Prix 4000S II Latex Tube 2014
Michelin Power Road TLR 2020

Size and Weight Measurements


Size and Weight Measurements
Model Grand Prix 4000S II Latex TubePower Road TLR
Specified Weight 225 grams275 grams
Measured Weight 215 grams267 grams
System Adjusted Weight 315 grams
(tire + inner tube)
287 grams
(tire + valve + rim seal)
Measured Width 27 mm27 mm
Measured Height 25 mm24 mm
Total Tire Thickness Center 2.9 mm2.7 mm
Total Tire Thickness Sidewall 0.55 mm1 mm
Unmounted Casing Width No Data67 mm
Unmounted Tread Width No Data25 mm
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 II Latex TubePower Road TLR
Inner Tube Michelin LatexNone (20 ml sealant)
Spin Up Video No VideoYouTube
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
10.6 Watts
CRR: 0.00318
10.1 Watts
CRR: 0.00303
Rolling Resistance
100 PSI / 6.9 Bar
11.1 Watts
CRR: 0.00333
10.7 Watts
CRR: 0.00321
Rolling Resistance
80 PSI / 5.5 Bar
11.8 Watts
CRR: 0.00354
12.1 Watts
CRR: 0.00363
Rolling Resistance
60 PSI / 4.1 Bar
13.3 Watts
CRR: 0.00399
14.3 Watts
CRR: 0.00429
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 II Latex TubePower Road TLR
Puncture Resistance Tread 11 Points9 Points
Puncture Resistance Sidewall 5 Points5 Points

Conclusion


Conclusion
Model Grand Prix 4000S II Latex TubePower Road TLR
Full Review Full Review
Verdict Highly RecommendedRecommended
Rating 5.0 / 54.0 / 5
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  • Continental Grand Prix 4000S II Latex Tube
  • Michelin Power Road TLR
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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