MTB Tire Test: Vittoria Barzo TNT G+ 2.0

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  • Vittoria Barzo TNT G+ 2.0
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Vittoria Barzo TNT G+ 2.0 road bike tire on a rolling resistance test machine

The Vittoria Barzo is a cross-country mountain bike tire with quite an aggressive tread pattern. The Barzo looks to be a good fit as a front tire with a faster tire on the rear wheel. A Barzo on the rear, if you need the grip, should be fine as well.


Ad Buy Vittoria Barzo TNT G+ 2.0 at Amazon.com


The Barzo now comes with the G+ 2.0 compound that Vittoria claims significantly improves wet grip over the previous G+ 1.0 version. Vittoria makes no claims of improved rolling resistance which means they might have sacrified the low rolling resistance of the G+ 1.0 compound to improve wet grip.


We tested the Vittoria Mezcal TNT with G+ 1.0 compound (read review) back in 2017 and the Mezcal TNT with G+ 2.0 compound (read review) together with the Barzo G+ 2.0. The tests of the Mezcal G+ 1.0 and 2.0 gives us insight into what has changed between the Vittoria G+ 1.0 and G+ 2.0 compounds.


This is a test of the 29x2.25 TNT version of the Barzo with the 4C G+ 2.0 compound. The TNT version (Tube No Tube) comes with reinforced sidewalls which makes it easier to set these up tubeless. A slightly lighter TLR version with thinner sidewalls is available as well.


The Barzo is also available as a cheap, and heavy, rigid bead 26 TPI version. These are much cheaper but try to avoid those as we don't believe they are made to the same quality standard as the 4C G+ TNT and TLR versions. The 26 TPI version can be recognized by the black sidewalls.


The Barzo TNT G+ 2.0 is available in a LOT of different sizes from 26x2.10 up to 29x2.60. The TNT version can be recognized by the grey sidewalls, the TLR version has para sidewalls which we're not sure everyone will like.


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Manufacturer Specifications


Manufacturer Specs
Brand Vittoria
Model Barzo TNT G+ 2.0
Year 2019
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Buy At Ad Amazon.com
Manufacturer part number 11A.00.016
EAN8022530017411
TPI 120
Compound 4C G+ 2.0
Bead Folding
ETRTO 55-622
Size Inch 29"
Width Inch 2.25
Specified Weight 680 grams
Max Pressure
Made In Thailand
Available Sizes 29x2.10
29x2.25
29x2.35
29x2.60
27.5x2.10
27.5x2.25
27.5x2.35
27.5x2.60
26x2.10
26x2.25

Vittoria Barzo TNT G+ 2.0 Test Results

Vittoria Barzo TNT G+ 2.0  mountain bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements


Size, Weight, and Thickness Measurements (Bike Wheel: 622-17C, Pressure: 35 psi / 2.4 bar)
Specified Weight 680 grams
Measured Weight 717 grams
Measured Width Carcass 54 mm
Measured Width Tread 55 mm
Measured Height 54 mm
Measured Knob Height Center 2.9 mm
Measured Knob Height Edge 4.0 mm
Measured Total Thickness Sidewall 0.90 mm
Measured Total Thickness Center (excluding knobs) 2.30 mm

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Rolling Resistance Test Results


Rolling Resistance Test Results (Speed: 29 kmh / 18 mph / 8 m/s, Load: 42.5 kg / 417 N)
Inner Tube Conti MTB 29 (225 gr butyl)
Rolling Resistance 55 psi / 3,8 Bar 23.6Watts
CRR: 0.00707
Rolling Resistance 45 psi / 3,1 Bar 24.5 Watts
CRR: 0.00734
Rolling Resistance 35 psi / 2,4 Bar 26.5 Watts
CRR: 0.00794
Rolling Resistance 25 psi / 1,7 Bar 30.0 Watts
CRR: 0.00899
Use the formula: RR (watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load

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Puncture Resistance Test Results

Vittoria Barzo TNT G+ 2.0  mountain bike tire on a rolling resistance test machine
Puncture Resistance Test Result (higher is better)
Puncture Resistance Tread 9 Points
Puncture Resistance Sidewall 6 Points

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Conclusion


  • Vittoria Barzo TNT G+ 2.0
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

We had high hopes the new Vittoria mountain bike tires with G+ 2.0 compound would be improvements over the previous versions with the G+ 1.0 compound. We tested the Mezcal G+ 1.0 (read review) back in 2017 and were impressed by its performance in the rolling resistance tests while still offering good puncture resistance. Our test of the Mezcal G+ 2.0 (read review) shows rolling resistance has increased by 10-15% over the previous generation while puncture resistance is nearly the same.


Still, the Barzo TNT G+ 2.0 looks to be a good choice as rolling resistance is decent and puncture resistance is excellent. If Vittoria's claims of improved wet grip of the G+ 2.0 compound is true, a Barzo on the front with a Mezcal on the rear to save some watts is an excellent combination. Only if you're looking for the absolute fastest mountain bike tires, there will be better options out there.


Ad Buy Vittoria Barzo TNT G+ 2.0 at Amazon.com


RATING: 4 / 5
TEST VERDICT:
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