Tire Test - Vittoria Randonneur

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Vittoria Randonneur Touring/E-Bike tire on a rolling resistance test machine

The Vittoria Randonneur is Vittoria's all-round touring bike tire. This tire should not be mistaken with the Randonneur Pro, which is a much lighter and more expensive tire. The Randonneur has a simple 30 TPI carcass with wire beads and a long lasting compound optimized for wet and dry weather. It also comes with a double layer of puncture protection which Vittoria calls Double Shielding technology.

Check Vittoria Randonneur Prices at Amazon.com

After unpacking the Randonneur, I immediately noticed how unpliable the tread area of this tire is. The sidewalls, on the other hand, are much more flexible. This must be the double layer of puncture protection under the tread in action. I'm sure puncture resistance will be good, but let's hope they didn't forget about rolling resistance when designing this tire.

Manufacturer Specs
Brand Vittoria
Model Randonneur
Year 2015
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range Med
Price Amazon.com
Part Number 111.3R2.26.37.111TG
TPI 30
Bead Wire
ETRTO 37-622
Size Inch 28"
Width mm 37.00
Specified Weight 570 grams
Max Pressure 70
Made In Thailand

Test Results

Vittoria Randonneur Touring/E-Bike on a rolling resistance test machine

Size and Weight Measurements

Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 60 psi / 4 bar)
Measured Weight 598 grams
Measured Width 33 mm
Measured Height 33 mm
Tread Depth 1.8 mm
Total Tire Thickness Center 5.7 mm
Total Tire Thickness Sidewall 0.90 mm

Vittoria specifies the weight of the 37-622 Randonneur to be 570 grams. My sample comes in at 598 grams which is reasonable. Maximum width on my 17C rim is only 33 mm. Maximum height is 33 mm as well. The Randonneur is a very small tire for its size, most 37-622 rated tires come in closer to 35 mm.

Tread depth is 1.8 mm, which is a slightly below the average value for a tour/e-bike tire. The total thickness of the tire at the center of the tire is 5.7 mm. 5.7 mm tells us the Double Shielding tech also offers some thickness based puncture protection. The sidewalls are much thinner with a measured maximum width of 0.9. 0.9 mm is much thinner than most other tour/e-bike tires.

Rolling Resistance Test Results

Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Rolling Resistance 90 psi / 6 Bar No Data Watts
Rolling Resistance 75 psi / 5 Bar 29.0 Watts
Rolling Resistance 60 psi / 4 Bar 32.4 Watts
Rolling Resistance 45 psi / 3 Bar 38.9 Watts
Rolling Resistance 30 psi / 2 Bar 52.1 Watts
Rolling Resistance Coefficient (Crr) 90 psi / 6 Bar No Data
Rolling Resistance Coefficient (Crr) 75 psi / 5 Bar 0.00869
Rolling Resistance Coefficient (Crr) 60 psi / 4 Bar 0.00971
Rolling Resistance Coefficient (Crr) 45 psi / 3 Bar 0.01166
Rolling Resistance Coefficient (Crr) 30 psi / 2 Bar 0.01562

Rolling resistance is very, very high. At the maximum rated air pressure of 75 psi, rolling resistance is already close to 10 watts higher than the Schwalbe Marathon (read review). At the lower end of the air pressure range, rolling resistance skyrockets to over 50 watts per tire. That's more than 100 watts for a pair of tires, this will seriously slow you down.

When using these tires, you should monitor air pressures very closely. Don't let these drop under 60 psi EVER.

Puncture Resistance Test Results

Puncture Resistance Test Result (higher is better)
Puncture Resistance Tread 21
Puncture Resistance Sidewall 4
Puncture Factor Tread * 120
Puncture Factor Sidewall * 4
* Puncture Factor = Puncture Resistance * Total Tire Thickness
Puncture Factor provides a more realistic puncture resistance score for touring tires

Puncture resistance of the tread area of the tire is very high, which is kind of expected with such a high rolling resistance. The puncture resistance tread score comes in at 21 points which is the highest value I've measured to date. While the tread puncture resistance is very high, sidewall puncture resistance is very low with a score of only 4 points.

When calculating the Puncture Factor score, we also take the tire thickness into consideration because thickness also provides puncture resistance. Puncture Factor Tread comes in at 120 points, which is also the highest score to date. With a thickness of only 0.9 mm, the sidewalls of the Randonneur are very thin. Together with the low Sidewall puncture resistance score this makes for a very low Puncture Factor Sidewall score as well. The Randonneur is a really unbalanced tire when we look at both the tread and sidewall measurements.


Vittoria Randonneur Touring/E-Bike on a rolling resistance test machine

Although puncture resistance of the tread area of the Vittoria Randonneur is the highest of all tires tested to date, rolling resistance is just way too high to recommend this tire. The Schwalbe Marathon Plus (read review) has a Puncture Factor Tread score that is very close to the Randonneur (117 Vs 120), a much better Puncture Factor Sidewall score (8 Vs 4), but a rolling resistance that is close to 30% lower.

The good part seems to be that the Randonneur can be found at a very low price. Together with the high puncture resistance and low weight, it might be OK if you don't care about rolling resistance.

Check Vittoria Randonneur Prices at Amazon.com

RATING: 2 / 5
Not Recommended

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Vittoria Randonneur Touring/E-Bike tire on a rolling resistance test machine
Vittoria Randonneur Touring/E-Bike tire on a rolling resistance test machine
Vittoria Randonneur Touring/E-Bike tire on a rolling resistance test machine

(click to enlarge)

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