MTB Tire Comparison:
Kenda Small Block Eight 2015 vs
Michelin Force XC 2017

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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
  • Kenda Small Block Eight
  • Michelin Force XC
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand KendaMichelin
Model Small Block EightForce 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 HighHigh
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Manufacturer Part Number K1047 212509
EAN
TPI 1203x110
Compound DTCGum-X3D
Bead FoldingFolding
ETRTO 54-62257-622
Size Inch 29"29"
Width Inch 2.102.25
Specified Weight 580 grams670 grams
Min Air Pressure 35 psi26 psi
Max Air Pressure 80 psi58 psi
Made In TaiwanThailand
Available Sizes 29 x 2.1026x2.10
27.5x2.10
27.5x2.25
29x2.10
29x2.25
Image
Kenda Small Block Eight 2015
Michelin Force XC 2017
Image
Kenda Small Block Eight 2015
Michelin Force XC 2017
Image
Kenda Small Block Eight 2015
Michelin Force XC 2017

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 35 psi / 2.4 bar)
Model Small Block EightForce XC
Specified Weight 580 grams670 grams
Measured Weight 589 grams660 grams
Measured Width Carcass 50 mm55 mm
Measured Width Tread 50 mm58 mm
Measured Height 50 mm54 mm
Measured Knob Height Center 2.5 mm2.3 mm
Measured Knob Height Edge 4.0 mm5.0 mm
Measured Total Thickness Sidewall 0.50 mm0.90 mm
Measured Casing Thickness Center 1.40 mm2.20 mm

Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Small Block EightForce XC
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
Spin Up Video No VideoYouTube
Rolling Resistance
55 PSI / 3.8 Bar
25.5 Watts
CRR: 0.00764
29.6 Watts
CRR: 0.00887
Rolling Resistance
45 PSI / 3.1 Bar
27.0 Watts
CRR: 0.00809
30.6 Watts
CRR: 0.00917
Rolling Resistance
35 PSI / 2.4 Bar
30.2 Watts
CRR: 0.00905
32.2 Watts
CRR: 0.00965
Rolling Resistance
25 PSI / 1.7 Bar
35.6 Watts
CRR: 0.01067
35.3 Watts
CRR: 0.01058
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 Small Block EightForce XC
Puncture Resistance Tread 6 Points10 Points
Puncture Resistance Side 5 Points6 Points

Conclusion


Conclusion
Model Small Block EightForce XC
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2 / 53 / 5
Buy At Ad Amazon.comAd Amazon.com
  • Kenda Small Block Eight
  • Michelin Force XC
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)


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