Continental Grand Prix Supersonic Black Chili Folding 700c Road Tyre
For when every gram counts. The Continental Grand Prix Supersonic is a lightweight tyre that offers exceptionally low rolling resistance with plenty of grip in the corners. This is an out and out race tyre for road and track where lightweight counts more than puncture protection.
Key Features:
- Rubber Compound: Black Chili compound for low rolling resistance and sensational grip
- Casing: Supersonic casing for the ultimate speed
- Weight: The lightest clincher tyre on the market, from 140g
- Design: Slick tread & super fine 310 tpi casing
- Best for: Designed purely for the speed of competition, ideal as a track clincher as well as short road events
- Weight: from 140g
Fit the Grand Prix Supersonic, coupled with a Race28 Supersonic tube and you've got a superlight and speedy tyre combination on the market at just 200g.
The Grand Prix Supersonic offers exceptionally low rolling resistance that rivals that of our renowned tubulars. The tyre is now even faster thanks to the new Black Chili compound which utilises nano particles of carbon to create a molecular structure of the rubber compound which is stronger, faster and grippier than previous compounds.
Our super-fine, polyamide casing combined with a thin layer of Black Chili rubber is extremely lightweight and is designed to allow high inflation pressures.
This tyre is intended for race use only in solo events on the road or as an all-round track clincher (indoor & outdoor), and is not recommended for road races or training rides due to its short tread life. There is no extra puncture protection with the Grand Prix Supersonic due to the lightweight construction. Riders should weigh up the compromises that they are willing to take before selecting this tyre
Occasionally, without notice, manufacturers change product design and/or specifications.
Road & track - tubulars
Use the tyre chooser below to help find the perfect Continental road tyre for your riding style and budget. These tubular tyres are designed for different types of cycling from sportives to track as well as road racing and time trials. Continental tubular tyres are available at two different performance levels: entry level Performance tyres and Premium tyres with pro level features.
To find the right size tyre for your bike checkout our size guide below the tyre chooser.
| Heavy Duty | Sportive | Race | TT | Track/Indoor | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Premium | Attack Comp & Force Comp | Olympic II | |||||||||||||||||||||||
| Competition | Sonderklasse II | ||||||||||||||||||||||||
| Grand Prix 4000 Tubular | Tempo II | ||||||||||||||||||||||||
| Podium TT | |||||||||||||||||||||||||
| Sprinter Gatorskin | Steher | ||||||||||||||||||||||||
| Sprinter | Saalsport II | ||||||||||||||||||||||||
| Performance | Giro | ||||||||||||||||||||||||
How to check your current tyre size?
Take a look at the sidewall of your current tyres and you’ll see one or two sets of figures;
One is the traditional size like 700x28c or 27.5x2.2. The first figure is the tyre diameter(size). The second is tyre width. Note: road bike sizes are in mm, MTB sizes are in inches.
The other set of figures you may see is ETRTO sizing like this 28-622. The first number here is tyre width while the second number relates to wheel diameter.
Here is a comparrison chart for traditional and ETRTO sizing to help you choose the correct tyre size.
| ETRTO Number | Dimension |
| 700c road bike wheels | |
| 18-622 | 700 x 18C |
| 23-622 | 700 x 23C |
| 25-622 | 700 x 25C |
| 28-622 | 700 x 28C |
| 32-622 | 700 x 32C |
| 37-622 | 700 x 35C |
| 47-622 | 700 x 47C |
| 26" mountain bike wheels | |
| 50-559 | 26 x 1.9 |
| 54-559 | 26 x 2.1 |
| 55-559 | 26 x 2.2 |
| 58-559 | 26 x 2.35 |
| 27.5" (650b) mountain bike wheels | |
| 50-584 | 27.5 x 1.95 |
| 54-584 | 27.5 x 2.1 |
| 57-584 | 27.5 x 2.25 |
| 29" mountain bike wheels | |
| 50-622 | 29 x 2.0 |
| 54-622 | 29 x 2.1 |
| 55-622 | 29 x 2.2 |
Will this tyre fit my wheel?
Your new tyre must be the same diameter as your current one (to fit your wheel rim).
Then, you need a choose a tyre which will fit your frame.
Road bike tyres are generally 21 – 28mm wide
MTB tyres can range from 1.5”-5”
To make things complicated road tyres are measured in mm, while MTB tyres are in inches.
How wide is too wide
You want to leave at least 4mm clearance between your frame and tyres to prevent rub and allow for mud clearance.
Measure the following areas on your frame:
Fork crown (top)
Brake calipers (make sure you squeeze them)
Chainstays
Seatstays
Subtract 4mm and you’ll have the maximum width your frame can handle.
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