Road Bike Tire Test: Vittoria Zaffiro Pro G+ 2.0

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  • Vittoria Zaffiro Pro G+ 2.0
Performance compared to all other road bike tires
(100% is best)
Pro Members get 11-point radar charts

Vittoria Zaffiro Pro G+ 2.0 road bike tire on a rolling resistance test machine

Just like many other tires from Vittoria, the Zaffiro Pro has been updated and now uses their Graphene 2.0 compound. The Zaffiro Pro is a low price range tire positioned under Vittoria's slightly more expensive Rubino line of road bike tires. Vittoria advertises the Zaffiro Pro as a "Performance Training" tire that includes a strong nylon casing, good grip, and a long tread life.


Ad Buy Vittoria Zaffiro Pro G+ 2.0 at Amazon.com


The Zaffiro Pro looks like a decent tire as it comes with folding beads, a 60 TPI nylon casing, single compound Graphene 2.0 compound, and an acceptable weight of 280 grams for the 25-622 size. Vittoria also offers an even cheaper Zaffiro (non-Pro) that comes with wire beads, a 26 TPI nylon casing, a cheaper non-Graphene compound, and a weight of 380 grams for the 25-622 size.


As always, we recommend to at least go with the folding bead versions of the cheap tires as they are often just a slight bit more expensive and the weight savings and overall quality of the tires is definitely worth it.

Manufacturer Specifications


Manufacturer Specifications
Brand Vittoria
Model Zaffiro Pro G+ 2.0
Year 2020
Tire Type Tubetype (clincher)
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range Low
Buy At Ad Amazon.com
Manufacturer part number 11A.00.160
EAN8022530020190
TPI 60
Compound G+ 2.0
Bead Folding
ETRTO 25-622
Size Inch 28"
Specified Width (mm) 25
Specified Weight 280 grams
Max Air Pressure (psi) 100
Made In Members Only
Available Sizes 23-622 (700x23c)
25-622 (700x25c)
28-622 (700x28c)
30-622 (700x30c)
32-622 (700x32c)

Vittoria Zaffiro Pro G+ 2.0 Test Results

Vittoria Zaffiro Pro G+ 2.0 road bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements


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Size, Weight and Thickness Measurements
Specified Weight 280 grams
Measured Weight 282 grams
System Adjusted Weight
(tire + inner tube (100 gr)
382 grams
Measured Width 26 mm (un-round)
Measured Height 23 mm (un-round)
Total Tire Thickness Center 3.3 mm
Total Tire Thickness Sidewall Members Only
Unmounted Casing Width 66 mm
Unmounted Tread Width Members Only
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


Rolling Resistance Test Results
Inner Tube Conti Race28 (100gr butyl)
Rolling Resistance
140 PSI / 9.7 Bar
Not Tested
Rolling Resistance
120 PSI / 8.3 Bar
15.2 Watts
CRR: 0.00456
Rolling Resistance
100 PSI / 6.9 Bar
16.3 Watts
CRR: 0.00489
Rolling Resistance
80 PSI / 5.5 Bar
Members Only
Rolling Resistance
60 PSI / 4.1 Bar
Members Only
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.
* The maximum air pressure as indicated on the sidewall is 100 psi / 7 bars. I did take measurements at 120 psi / 8.3 bars to keep the results consistent across the site.

Puncture Resistance Test Results

Vittoria Zaffiro Pro G+ 2.0 road bike tire on a rolling resistance test machine
Puncture Resistance Test Results (higher is better)
Total Puncture Score Tread 56 Points
Total Puncture Score Sidewall Members Only
Tread Puncture Force Sharp Needle 9 Points
Tread Puncture Force Blunt Needle Members Only
Tread Total Tire Thickness 3.3 mm
Sidewall Puncture Force Sharp Needle Members Only
Sidewall Puncture Force Blunt Needle Members Only
Sidewall Total Tire Thickness Members Only

Static Grip Test Results


NOTE: Grip test data is only available on tires tested after November 2018. You can find more information about our grip test here: Introducing Grip Testing

Static Grip Test Results
Wet Grip Average 66 Points
Wet Grip Center Members Only
Wet Grip Edge Members Only
Grip in points = coefficient of friction * 100

Conclusion


  • Vittoria Zaffiro Pro G+ 2.0
Performance compared to all other road bike tires
(100% is best)

Pro Members get 11-point radar charts

The Vittoria Zaffiro Pro is a decent tire for training purposes but be aware that its puncture resistance isn't any better than much faster and lighter racing tires. The main problem we see is that when we compare the Zaffiro Pro to other tires in the lowest price category, tires that perform better on our tests can be found.


When we compare the Zaffiro Pro G+ 2.0 to the more expensive Rubino Pro G+ 2.0, we see rolling resistance is pretty close between these tires. The Rubino Pro G+ 2.0 (read our review) performs a bit better in the puncture resistance tests, has a lower weight and comes with a more advanced 3C version of the G+ compound.


Another thing to watch is the 25-622 size of the Zaffiro Pro has a maximum rated pressure of just 100 psi / 7 bars which may be a bit low for some heavier cyclists.

Ad Buy Vittoria Zaffiro Pro G+ 2.0 at Amazon.com


RATING: 2.0 / 5
TEST VERDICT:
Not Recommended


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