Continental Grand Prix 4000 S II Black Chili Folding Road Tyre
Continentals flagship Grand Prix 4000 S II Black Chili road bike tyre is widely regarded as one of the best race tyres available. Black Chili rubber and Vectran puncture protection help to set this tyre apart from the competition.
Key Features:
- Puncture protection: Vectran breaker for unsurpassed puncture protection
- Rubber Compound: Black Chili compound for low rolling resistance and sensational grip
- Colour: The discreet bead strip allows us to colour coordinate the tyre to match your bike perfectly without losing the BlackChili tread performance
- Casing: Constructed of 3 plies, totalling 330 TPI
- Design: Handmade in Germany
Vectran is a multi-fibred thermoplastic yarn that as well as being highly resistant to penetration is also very light meaning that you don't need to sacrifice performance to reduce the likelihood of punctures.
The high-performance Black Chili rubber compound combines the 3 main attributes of a great tyre; low rolling resistance, good grip and longevity. Continental achieves these seemingly mutually exclusive attributes by adding carbon black nanoparticles to the rubber. The very small size of these particles allow them to conform to imperfections in the road without slowing the tyres down or wearing excessively.
Occasionally, without notice, manufacturers change product design and/or specifications.
Road & Track Tyres - clincher
Use the tyre chooser below to help find the perfect Continental tyre for your riding style and budget. These clincher tyres are designed for different types of road cycling from sportives to time trials as well as racing and training. Continental tyres are available at different performance levels from entry level Sport tyres right up to Premium tyres with pro level features.
To find the right size tyre for your bike checkout our size guide below the tyre chooser.
| Winter/Training/Commute | Sportive | Race/Triathlon | Time Trial/Sprint Tri | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Premium | Grand Prix Attack & Force | |||||||||||||||||||
| Grand Prix 4000 S II | ||||||||||||||||||||
| Grand Prix TT | ||||||||||||||||||||
| Grand Prix Supersonic | ||||||||||||||||||||
| Grand Prix 4 Season | ||||||||||||||||||||
| Grand Prix GT | ||||||||||||||||||||
| Grand Prix | ||||||||||||||||||||
| Grand Prix Classic | ||||||||||||||||||||
| Gator Hardshell | ||||||||||||||||||||
| Gatorskin | ||||||||||||||||||||
| Performance | Grand Sport Race | |||||||||||||||||||
| Grand Sport Extra | ||||||||||||||||||||
| Ultra Sport II | ||||||||||||||||||||
| Sport | SuperSport Plus | |||||||||||||||||||
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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