Road Bike Tire Test: Schwalbe One Tubeless 25

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  • Schwalbe One Tubeless 25
Performance compared to all other road bike tires
(100% is best)
Pro Members get 11-point radar charts

Schwalbe One Tubeless 25 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NOTE: We have a test available of a newer version of this tire: Schwalbe Pro One Tubeless 2016

The Schwalbe One Tubeless is the most requested tire to be reviewed by readers of Bicycle Rolling Resistance. A lot of people are wondering if the differences in rolling resistance of tubeless road bike tires are as big as with mountain bike tires. Schwalbe claims the tubeless One has a rolling resistance of 18.5 watts vs 22 watts for the clincher version. In our review of the clincher One, it came in at 12.3 watts. If we trust Schwalbe, the Tubeless One should come in at 10.3 watts in our test.


Lower rolling resistance isn't the only benefit tubeless road bike tires provide. You can run lower air pressure because of the inability to get pinch flats. When adding sealant to the tire, overall puncture resistance will increase greatly as well. Chances of getting a blow out because of heating up the rim when braking a lot going downhill also decreases with tubeless tires.


Unlike tubeless tires for mountain bikes, road bike tubeless tires do not require tubeless sealant to hold air. If you want to convert to tubeless, you should invest in tubeless ready wheels for safety, you don't want a front tire blowout at high speeds. For this test, I've used the standard wheel I use for all tests. To seal the rim, I used a tubeless rim strip with a weight of 65 grams. This should not influence the test results because the test is performed at a static speed. As recommended by Schwalbe, I used lubricant to lubricate the bead for easy mounting and to make sure the bead ends up in the right place. I did not use sealant for this test.

Manufacturer Specifications


Manufacturer Specifications
Brand Schwalbe
Model One Tubeless
Year 2014
Tire Type Tubeless
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Buy At
Manufacturer part number 11700024
TPI 127
Compound OneStar
Bead Folding
ETRTO 25-622
Size Inch 28"
Specified Width (mm) 25
Specified Weight 340 grams
Max Air Pressure (psi) 110
Made In Members Only
Available Sizes 23-622 (700x23C)
25-622 (700x25C)
28-622 (700x28C)

Schwalbe One Tubeless 25 Test Results

Schwalbe One Tubeless 25 road bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements


Size, Weight and Thickness Measurements
Specified Weight 340 grams
Measured Weight 344 grams
System Adjusted Weight
(tire + valve + rim seal)
364 grams
Measured Width 26 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.

Claimed weight of the 25 mm One Tubeless is 340 grams, my sample came in at 344 grams. The One clincher came in at 243 grams, adding up the 100 grams butyl inner tube makes the total wheel weight equal for both tires. The One Tubeless is a little bit smaller with a width of 26 mm and a height of 24 mm on a 17C rim.

Rolling Resistance Test Results


Rolling Resistance Test Results
Inner Tube None (20 ml sealant)
Measured Width 26 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)
11.8 Watts
CRR: 0.00354
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)
12.5 Watts
CRR: 0.00375
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.

Maximum air pressure, as indicated on the sidewall is 110 psi. I overinflated the tire to 120 psi / 8.3 bar to be able to test the tire at standard test pressures.


At an air pressure of 120 psi, rolling resistance came in at 11.8 watts, which is the best result yet when excluding the tires tested with a latex tube. At an air pressure of 100psi, performance is still very strong with a rolling resistance of 12.5 watts. Strange enough, when lowering air pressure even more, it can't keep up this strong performance. It ends up losing to the Continental Grand Prix 4000S II at 80 and 60 psi by 0.1 and 0.8 watts respectively.

Puncture Resistance Test Results

Schwalbe One Tubeless 25 road bike tire on a rolling resistance test machine
Puncture Resistance Test Results (higher is better)
Total Puncture Score Tread 58 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

Puncture resistance is 12, which is the same as the Schwalbe One V-Guard (normal clincher). This seems to indicate that tread thickness and puncture resistance materials in both the Tubeless and V-Guard versions of the One are exactly the same.

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
Road bike grip test rim width = 19.0 mm

Conclusion


  • Schwalbe One Tubeless 25
Performance compared to all other road bike tires
(100% is best)

Pro Members get 11-point radar charts

Rolling resistance is good but not as good as claimed by Schwalbe. I sort of expected this because of the weight of 344 grams. What essentially happened is that they moved the butyl layer onto the tire itself instead of using the old style inner tube. Still, results are good especially at higher pressures. While rolling resistance isn't really lower with the tubeless tire, you do get all of the other advantages: like better puncture protection (with sealant), better pinch flat protection and less chance of a blow out when heating up the rim.


I'm sure a revolution is coming in road bike tire tech. At this point in time, rolling resistance isn't really lower but in a couple of years, I'm sure the manufacturers will be able to make improvements. Also don't forget all the other important benefits of tubeless tires. If you're investing in new wheels today, definitely check if they are tubeless ready.

RATING: 4.0 / 5
TEST VERDICT:
Recommended


Comments



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