Road Bike Tire Test: Schwalbe One V-Guard

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  • Schwalbe One V-Guard
Performance compared to all other road bike tires
(100% is best)
Pro Members get 11-point radar charts



Schwalbe One V-Guard road bike tire on a rolling resistance test machine

NOTE: We have a test available of a newer version of this tire: Schwalbe Pro One (tubetype) Addix 2020

According to Schwalbe, their new One series of road bike tires are the fastest rolling tires they have ever manufactured; they even built a brand new factory to produce these tires. Today I'm testing the Schwalbe One V-Guard 700 x 25C which is the clincher version of the One. The One is also available as a tubular or tubeless road bike tire. It seems like Schwalbe removed the Ultremo series from the 2015 model line-up, at least they don't show up on the official Schwalbe website anymore. Everybody that loved the Ultremo has to move up to the Schwalbe One.


Ad Buy Schwalbe One V-Guard at Amazon.com


The biggest improvement over the Ultremo is a new compound: OneStar. This compound was developed specifically for low rolling resistance. It's a triple compound which is based on special polymers that have only recently become available. Schwalbe says this results in a great improvement in the trade-off between durability, wet adhesion and rolling resistance. However, weight has increased by 10 grams when compared to the Ultremo of the same size; this is attributed to the amount of material used.

Manufacturer Specifications


Manufacturer Specifications
Brand Schwalbe
Model One V-Guard
Year 2014
Tire Type Tubetype (clincher)
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Buy At Ad Amazon.com
Manufacturer part number 11600518
TPI 127
Compound OneStar
Bead Folding
ETRTO 25-622
Size Inch 28"
Specified Width (mm) 25
Specified Weight 225 grams
Max Air Pressure (psi) 130
Made In Members Only
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)
25-584 (650x25B)
25-571 (650x25C)
25-559 (26x1.00)
25-540 (24x1.00)
25-451 (20x1.00)
28-406 (20x1.10)

Schwalbe One V-Guard Test Results

Schwalbe One V-Guard road bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements


Size, Weight and Thickness Measurements
Specified Weight 225 grams
Measured Weight 243 grams
System Adjusted Weight
(tire + inner tube (100 gr)
343 grams
Measured Width 27 mm (un-round)
Measured Height 24 mm (un-round)
Total Tire Thickness Center 2.9 mm
Total Tire Thickness Sidewall Members Only
Unmounted Casing Width No Data
Unmounted Tread Width No Data
Tread Cover (Tread / Casing Ratio) No Data
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim.

Unfortunately, this particular Schwalbe One is overweight by quite a bit: 243 grams versus a claimed weight of 225 grams. This means there is more material and rolling resistance will be a bit higher. The measured width is 27 mm. Height is 24 mm.

Rolling Resistance Test Results


Rolling Resistance Test Results
Inner Tube Conti Race28 (100gr butyl)
Measured Width 27 mm (un-round)
Rolling Resistance
Real tire width in mm:
22-24 = 132 psi/9.1 bar
25-27 = 120 psi/8.3 bar
28-29 = 108 psi/7.4 bar
Ultra High Air Pressure

(120 psi / 8.3 bar)
12.3 Watts
CRR: 0.00369
Rolling Resistance
Real tire width in mm:
22-24 = 110 psi/7.6bar
25-27 = 100 psi/6.9 bar
28-29 = 90 psi/6.2 bar
Extra High Air Pressure

(100 psi / 6.9 bar)
12.8 Watts
CRR: 0.00384
Rolling Resistance
Real tire width in mm:
22-24 = 88 psi/6.1 bar
25-27 = 80 psi/5.5 bar
28-29 = 72 psi/5.0 bar
High Air Pressure

(80 psi / 5.5 bar)
Members Only
Rolling Resistance
Real tire width in mm:
22-24 = 66 psi/4.6 bar
25-27 = 60 psi/4.1 bar
28-29 = 54 psi/3.7 bar
Medium Air Pressure

(60 psi / 4.1 bar)
Members Only
The Road Bike section is a multi tire size section, air pressures have been adjusted to the measured casing width.

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.

At an air pressure of 120 psi, rolling resistance is 12.3 Watts. At 100 psi, it comes in as a very fast tire beating the Continental Grand Prix 4000S II by 0.1 Watts. Unfortunately, it can't keep up this strong performance. At air pressures of 80 and 60 psi, rolling resistance is 14.0 Watts and 16.6 Watts respectively. This is 0.3 and 1.1 Watts higher when compared to the GP4000S II.

Puncture Resistance Test Results

Schwalbe One V-Guard road bike tire on a rolling resistance test machine
Puncture Resistance Test Results (higher is better)
Total Puncture Score Tread 59 Points
Total Puncture Score Sidewall Members Only
Tread Puncture Force Sharp Needle 12 Points
Tread Puncture Force Blunt Needle No Data
Tread Total Tire Thickness 2.9 mm
Sidewall Puncture Force Sharp Needle Members Only
Sidewall Puncture Force Blunt Needle No Data
Sidewall Total Tire Thickness Members Only

Performance in the puncture resistance test is average for an all-round summer tire. With a puncture resistance score of 12, it beats the GP4000S II by 1 point. If we take the low rolling resistance into consideration as well, a score of 12 is very good. It looks like Schwalbe hit the sweet spot with the One.

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 No Data
Wet Grip Center No Data
Wet Grip Edge No Data
Grip in points = coefficient of friction * 100

Conclusion


  • Schwalbe One V-Guard
Performance compared to all other road bike tires
(100% is best)

Pro Members get 11-point radar charts

It's a shame my sample of the Schwalbe One has so much overweight, I'm pretty sure if it came in at the claimed weight of 225 grams, it would have beaten the Grand Prix 4000S II at 120 100 and 80 psi, I'm not sure about 60 psi. A score of 12 in the puncture resistance test is also very good for such a fast road bike tire. It's clear that the Schwalbe One is a very big improvement over the Ultremo. I don't think anyone is going to miss that tire when you can get the new Schwalbe One.


I'm glad Schwalbe wasn't lying when they said this is the fastest road bike tire they have ever made. If you're looking for a fast road bike tire and can get hold of a sub 225 grams Schwalbe One V-Guard, definitely get it!

Ad Buy Schwalbe One V-Guard at Amazon.com


RATING: 5.0 / 5
TEST VERDICT:
Highly Recommended


Comments



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