Road Bike Tire Test: Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5

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  • Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5
Performance compared to all other road bike tires
(100% is best)
Pro Members get 11-point radar charts

Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5 road bike tire on a rolling resistance test machine

The Specialized S-Works Turbo RapidAir T2/T5 is an updated version of the original Turbo RapidAir (read our review) that Specialized introduced a couple of years back. The T2/T5 update means the Turbo RapidAir now comes with a dual compound with the harder T2 compound in the center and the softer T5 compound on the shoulders. The T2 compound is said to be both faster rolling as well as more wear resistant and should last an extra 620 miles / 1000 km.


Together with the T2/T5 version of the S-Works Turbo RapidAir 2Bliss Ready, Specialized also introduced a non-RapidAir version that's simply called "S-Works Turbo 2Bliss Ready T2/T5". Although the names are nearly the same, the RapidAir version is 30 grams lighter and should be a bit faster than the non-RapidAir version. We'll have to wait for our own test of the non-RapidAir to be able to tell you more about the differences between these two versions.


After comparing the specifications of both the S-Works Turbo RapidAir and non-RapidAir, it looks like the main difference can be found in the casing design. The RapidAir comes with a 2 layer casing, while the non-RapidAir comes with a more traditional 3 layer casing. The 3 layer casing has an extra layer under the tread, which increases the puncture resistance of the tread.


The new T2/T5 version also has a slightly different tread pattern from the original Turbo RapidAir. The center portion of the tread is still slick, but the tiny knobs along the edge of the tire have become even smaller and have increased in number. The tread pattern even gives it a bit of an off-road look, and it should perform better than most other road bike tires under off-road conditions.


Although the non-RapidAir version of the S-Works Turbo 2Bliss Ready T2/T5 is available in the 26-622, 28-622, and 30-622 sizes, the non-RapidAir version is only available in the 26-622 size on test here.

Manufacturer Specifications


Manufacturer Specifications
Brand Specialized
Model S-Works Turbo RapidAir 2Bliss Ready T2/T5
Year 2022
Tire Type Tubeless
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range Very High
Buy At
Manufacturer part number 00022-1155
TPI 120
Compound Gripton T2/T5
Bead Folding
ETRTO 26-622
Size Inch 28"
Specified Width (mm) 26
Specified Weight 230 grams
Max Air Pressure (psi) 110
Made In Members Only
Available Sizes 26-622 (700x26c)

Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5 Test Results

Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5 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 230 grams
Measured Weight 223 grams
System Adjusted Weight
(tire + valve + rim seal)
243 grams
Measured Width 26 mm (un-round)
Measured Height 22 mm (un-round)
Total Tire Thickness Center 1.9 mm
Total Tire Thickness Sidewall Members Only
Unmounted Casing Width 65 mm
Unmounted Tread Width Members Only
Tread Cover (Tread / Casing Ratio) 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 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)
9.8 Watts
CRR: 0.00294
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)
10.6 Watts
CRR: 0.00318
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.

Puncture Resistance Test Results

Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5 road bike tire on a rolling resistance test machine
Puncture Resistance Test Results (higher is better)
Total Puncture Score Tread 44 Points
Total Puncture Score Sidewall Members Only
Tread Puncture Force Sharp Needle Members Only
Tread Puncture Force Blunt Needle Members Only
Tread Total Tire Thickness 1.9 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

Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5 road bike tire on a grip test machine
Static Grip Test Results
Wet Grip Average 73 Points
Wet Grip Center Members Only
Wet Grip Edge Members Only
Grip in points = coefficient of friction * 100

Conclusion


  • Specialized S-Works Turbo RapidAir 2Bliss Ready T2/T5
Performance compared to all other road bike tires
(100% is best)

Pro Members get 11-point radar charts

The latest dual compound T2/T5 version of the Specialized S-Works RapidAir 2Bliss Ready isn't a huge step up from the previous single compound edition (read our review). On average, it looks like a minor improvement, with a lower weight, slightly better rolling resistance at lower air pressures, and a little bump in puncture resistance being the main improvements. The move to the 2 layer casing decreases the total tire thickness by about 0.3 mm, but the (wearable) tread thickness should be roughly the same.


We also see a change in the wet grip test, and although the average grip comes out the same, we see a different distribution of the grip levels. The center grip has increased by 3 points, but the edge grip has decreased. We attribute this to the new tread pattern that reduces the contact patch on hard surfaces. On top of that, the tiny knobs are easily deformed under pressure, reducing grip in our hard surface grip test a bit further.

RATING: 4.4 / 5
TEST VERDICT:
Highly Recommended


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