MTB Tire Comparison:
Kenda Small Block Eight 2015 vs
Vittoria Barzo TNT G+ 2.0 2019

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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 *
  • Vittoria Barzo TNT G+ 2.0 *
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specifications
Brand KendaVittoria
Model Small Block EightBarzo TNT G+ 2.0
Year 20152019
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 21250911A.00.016
EAN 8022530017411
TPI 120120
Compound DTC4C G+ 2.0
Bead FoldingFolding
ETRTO 54-62255-622
Size Inch 29"29"
Width Inch 2.102.25
Specified Weight 580 grams680 grams
Min Air Pressure 35 psi psi
Max Air Pressure 80 psi psi
Made In Members OnlyMembers Only
Available Sizes 29x2.1029x2.10
29x2.25
29x2.35
29x2.60
27.5x2.10
27.5x2.25
27.5x2.35
27.5x2.60
26x2.10
26x2.25
Image
Kenda Small Block Eight 2015
Vittoria Barzo TNT G+ 2.0 2019
Image
Kenda Small Block Eight 2015
Vittoria Barzo TNT G+ 2.0 2019
Image
Kenda Small Block Eight 2015
Vittoria Barzo TNT G+ 2.0 2019

Size and Weight Measurements


Size and Weight Measurements
Model Small Block EightBarzo TNT G+ 2.0
Specified Weight 580 grams680 grams
Measured Weight 589 grams717 grams
Measured Width Carcass 50 mm (un-round)54 mm (un-round)
Measured Width Tread 50 mm55 mm
Measured Height 50 mm (un-round)54 mm (un-round)
Measured Knob Height Center 2.5 mm2.9 mm
Measured Knob Height Edge 4.0 mm4.0 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
Measured Casing Thickness Center 1.40 mm2.30 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 Small Block EightBarzo TNT G+ 2.0
Spin Up Video No VideoYouTube
Inner Tube Conti MTB 29 (225 gr butyl)Conti MTB 29 (225 gr butyl)
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
30.2 Watts
CRR: 0.00905
26.5 Watts
CRR: 0.00794
Rolling Resistance
25 PSI / 1.7 Bar
35.6 Watts
CRR: 0.01067
30.0 Watts
CRR: 0.00899
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 Small Block EightBarzo TNT G+ 2.0
Total Puncture Score Tread 23 Points37 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 1.4 mm2.3 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


Conclusion
Model Small Block EightBarzo TNT G+ 2.0
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2.0 / 54.0 / 5
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  • Kenda Small Block Eight *
  • Vittoria Barzo TNT G+ 2.0 *
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 9-point radar charts


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