MTB Tire Comparison:
Continental Race King Sport 2015 vs
Michelin Force XC 2017

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Static Grip Test Results
  6. Conclusion
  • Continental Race King Sport *
  • Michelin Force XC *
* Grip test data not available
Performance compared to all other MTB tires
(100% is best)
Pro Members get 11-point radar charts



Manufacturer Specifications


Manufacturer Specifications
Brand ContinentalMichelin
Model Race King SportForce XC
Year 20152017
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range LowHigh
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Manufacturer Part Number 0100203
EAN
TPI 3/843x110
Compound Gum-X3D
Bead WireFolding
ETRTO 55-62257-622
Size Inch 29"29"
Width Inch 2.202.25
Specified Weight 750 grams670 grams
Min Air Pressure 35 psi26 psi
Max Air Pressure 55 psi58 psi
Made In Members OnlyMembers Only
Available Sizes 29x2.20
29x2.00
27.5x2.20
26x2.20
26x2.00
26x2.10
27.5x2.10
27.5x2.25
29x2.10
29x2.25
Image 1
Continental Race King Sport 2015
Michelin Force XC 2017
Image 2
Continental Race King Sport 2015
Michelin Force XC 2017
Image 3
Continental Race King Sport 2015
Michelin Force XC 2017
Image 4 Not AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model Race King SportForce XC
Specified Weight 750 grams670 grams
Measured Weight 712 grams660 grams
Measured Width Carcass 54 mm (un-round)55 mm (un-round)
Measured Width Tread 51 mm58 mm
Measured Height 54 mm (un-round)54 mm (un-round)
Measured Knob Height Center 2.5 mm2.3 mm
Measured Knob Height Edge 2.5 mm5.0 mm
Measured Casing Thickness Center 2.15 mm2.20 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
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


Rolling Resistance Test Results
Model Race King SportForce XC
Spin Up Video No VideoYouTube
Inner Tube Conti MTB 29 (225 gr butyl)None (40 ml sealant)
Rolling Resistance
55 PSI / 3.8 Bar
Members OnlyMembers Only
Rolling Resistance
45 PSI / 3.1 Bar
Members OnlyMembers Only
Rolling Resistance
35 PSI / 2.4 Bar
24.5 Watts
CRR: 0.00734
28.7 Watts
CRR: 0.00860
Rolling Resistance
25 PSI / 1.7 Bar
27.0 Watts
CRR: 0.00809
30.8 Watts
CRR: 0.00923
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 Race King SportForce XC
Total Puncture Score Tread 27 Points43 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness 2.15 mm2.2 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model Race King SportForce XC
Wet Grip Average No DataNo Data
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 2.5 mm2.3 mm
Measured Knob Height Edge 2.5 mm5.0 mm
Grip in points = coefficient of friction * 100
MTB grip test rim width = 30.0 mm
Wet Grip Test and Off-Road Tires (info)

Conclusion


Conclusion
Model Race King SportForce XC
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 4.0 / 53.0 / 5
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  • Continental Race King Sport *
  • Michelin Force XC *
* Grip test data not available
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 11-point radar charts