Road Bike Tire Comparison:
Continental Grand Prix 2014 vs
Schwalbe Ironman Tubeless 2015

Facebook like buttonTwitter like buttonEmail share button

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • Schwalbe Ironman Tubeless
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalSchwalbe
Model Grand PrixIronman Tubeless
Year 20142015
Tire Type Tubetype (clincher)Tubeless
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedHigh
Buy At Ad Amazon.com
Manufacturer Part Number 010063711700028
EAN
TPI 3/180127
Compound Black ChiliOneStar
Bead FoldingFolding
ETRTO 25-62224-622
Size Inch 28"28"
Width mm 2524
Specified Weight 245 grams330 grams
Min Air Pressure 110 psi70 psi
Max Air Pressure 120 psi110 psi
Made In GermanyIndonesia
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
23-571 (650x23C)
28-559 (26x1 1/8)
28-406 (20x1.10)
22-622 (700x22C)
24-622 (700x24C)
Image
Continental Grand Prix 2014
Schwalbe Ironman Tubeless 2015
Image
Continental Grand Prix 2014
Schwalbe Ironman Tubeless 2015
Image
Continental Grand Prix 2014
Schwalbe Ironman Tubeless 2015

Size and Weight Measurements


Size and Weight Measurements
Model Grand PrixIronman Tubeless
Specified Weight 245 grams330 grams
Measured Weight 239 grams336 grams
System Adjusted Weight 339 grams
(tire + inner tube)
356 grams
(tire + valve + rim seal)
Measured Width 26 mm25 mm
Measured Height 24 mm23 mm
Total Tire Thickness Center No Data3.2 mm
Total Tire Thickness Sidewall No Data1.2 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


advertisement
Rolling Resistance Test Results
Model Grand PrixIronman Tubeless
Inner Tube Conti Race28 (100gr butyl)None (0 ml sealant)
Spin Up Video No VideoNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
14.0 Watts
CRR: 0.00420
12.9 Watts
CRR: 0.00387
Rolling Resistance
100 PSI / 6.9 Bar
14.5 Watts
CRR: 0.00435
13.5 Watts
CRR: 0.00405
Rolling Resistance
80 PSI / 5.5 Bar
15.9 Watts
CRR: 0.00477
14.5 Watts
CRR: 0.00435
Rolling Resistance
60 PSI / 4.1 Bar
18.5 Watts
CRR: 0.00555
16.6 Watts
CRR: 0.00498
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 PrixIronman Tubeless
Puncture Resistance Tread 13 Points13 Points
Puncture Resistance Sidewall Not Tested8 Points

Conclusion


Conclusion
Model Grand PrixIronman Tubeless
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4.0 / 53.0 / 5
Buy At Ad Amazon.com
  • Schwalbe Ironman Tubeless
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


Get updates on new articles