MTB Tire Comparison:
Continental Race King RaceSport Tubeless 2014 vs
Continental X-King RaceSport 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 Race King RaceSport Tubeless
  • Continental X-King RaceSport
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalContinental
Model Race King RaceSport TubelessX-King RaceSport
Year 20142015
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 01005450100531
EAN
TPI 3/1803/180
Compound Black ChiliBlack Chili
Bead FoldingFolding
ETRTO 57-62255-622
Size Inch 29"29"
Width Inch 2.202.20
Specified Weight 540 grams555 grams
Min Air Pressure psi psi
Max Air Pressure 65 psi65 psi
Made In GermanyGermany
Available Sizes 29 x 2.20
29 x 2.00
27.5 x 2.20
26 x 2.20
26 x 2.00
29 x 2.40
29 x 2.20
29 x 2.00
27.5 x 2.20
27.5 2.00
26 x 2.40
26 x 2.20
26 x 2.00
Image
Continental Race King RaceSport Tubeless 2014
Continental X-King RaceSport 2015
Image
Continental Race King RaceSport Tubeless 2014
Continental X-King RaceSport 2015
Image
Continental Race King RaceSport Tubeless 2014
Continental X-King RaceSport 2015

Size and Weight Measurements


Size and Weight Measurements
Model Race King RaceSport TubelessX-King RaceSport
Specified Weight 540 grams555 grams
Measured Weight 497 grams564 grams
Measured Width Carcass 55 mm53 mm
Measured Width Tread 51 mm52 mm
Measured Height 53 mm51 mm
Measured Knob Height Center 2.5 mm2.5 mm
Measured Knob Height Edge 2.5 mm4.0 mm
Measured Total Thickness Sidewall 0.45 mm0.55 mm
Measured Casing Thickness Center 1.70 mm1.80 mm
All size measurements are taken at an air pressure of 35 psi / 2.4 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Race King RaceSport TubelessX-King RaceSport
Inner Tube None (60 ml sealant)Conti MTB 29 (225 gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
55 PSI / 3.8 Bar
15.5 Watts
CRR: 0.00465
20.1 Watts
CRR: 0.00603
Rolling Resistance
45 PSI / 3.1 Bar
15.8 Watts
CRR: 0.00474
20.9 Watts
CRR: 0.00626
Rolling Resistance
35 PSI / 2.4 Bar
16.2 Watts
CRR: 0.00486
22.8 Watts
CRR: 0.00683
Rolling Resistance
25 PSI / 1.7 Bar
17.4 Watts
CRR: 0.00522
25.9 Watts
CRR: 0.00776
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 Result (higher is better)
Model Race King RaceSport TubelessX-King RaceSport
Puncture Resistance Tread 7 Points10 Points
Puncture Resistance Side 4 Points6 Points

Conclusion


Conclusion
Model Race King RaceSport TubelessX-King RaceSport
Full Review Full Review
Verdict Highly RecommendedRecommended
Rating 5 / 54 / 5
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  • Continental Race King RaceSport Tubeless
  • Continental X-King RaceSport
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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