- Continental Grand Prix 4000S Road Tyre Twin Pack
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Continental Grand Prix 4000S Road Tyre Twin Pack
Continental Grand Prix 4000S Road Tyre Twin Pack
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|Black||700 x 25mm|
|Black||700 x 23mm|
The Continental Grand Prix series of racing clinchers is the top choice of serious race bike specialists all over the world, and has been for many years. The latest incarnation is the Grand Prix 4000S.
Top Features of the Continental Grand Prix 4000S Road Tyre Twin Pack
- GP4000 tyre with new BlackChili compound
- BlackChili gives a lower rolling resistance and higher grip
- An ideal secret weapon for the seasons main objective
- All black
- Striking silver sidewall logo
- Recommended pressure: 110psi
- Maximum pressure: 120psi
- Weight: 205g (23c), 230g (25c)
|Puncture Protection:||Vectran Breaker|
|Threads Per Inch:||330|
|Wheel Size:||700c (622)|
The Continental Grand Prix series of racing clinchers is the top choice of serious race bike specialists all over the world, and has been for many years. The latest incarnation is the Grand Prix 4000S. S stands for sport, special and “schwarz“ – the german term for black.
The all black Grand Prix 4000 S catches the eye with its big silver labels. It matches every high-end race bike perfectly and can do more than just look good.
The Black Chili Compound reduces rolling resistance by 26%, grip is increased by 30% and mileage is increased by 5%.
How are these figures possible..? The carbon filler particles within the rubber compound are reduced to 1/10th of the size of standard carbon particles. This creates a closer knit with the particles having more points of contact with each other, thus forming a tighter bond, (increasing mileage performance) and also with the road (increasing grip). Also the way in which the particles interact with each other has a dramatic effect on reducing rolling resistance. Black Chili is used by several ProTour and Continental teams.
The all new Vectran breaker belt, developed and patented by Continental, surpasses even the famous puncture resistance of the former leader in this category, the GP3000. The extremely strong Vectran fabrics are more flexible and lighter than all other puncture protection materials. Vectran offers more resistance to cuts than Aramid, is five times as strong as steel and features less weight than a nylon double breaker. It also maintains strength in the wet.
About Road Race Tyres
These tyres are for racing style bikes that use clincher/hooked rims, these are the most common fitment and hook onto the rim and require an inner tube. There is a wide choice of tyres within this category and the right choice is important. Lighter tyres will accelerate quickly, but will be more prone to punctures so getting a balance is extremely important. If you require a tyre for all round use look for something with puncture protection, an average TPI(Threads Per Inch) and average weight. If you require a fast tyre and speed is the only thing that matters look for a low weight folding tyre with high TPI. If durability is your priority and speed is not so important look towards the puncture resistant tyres and consider going for a wider tyre, these will be less prone to punctures and offer a bit more comfort. For wet road conditions a triple compound or winter tyre is a good choice, these use a softer compound on the cornering surface to maximise grip.
|700 x 18C||18-622|
|700 x 23C||23-622|
|700 x 25C||25-622|
|700 x 28C||28-622||28 x 1 5/8 x 1 1/8|
|700 x 32C||32-622||28 x 1 5/8 x 1 1/4|
|700 x 35C||37-622||28 x 1 5/8 x 1 3/8|
|700 x 47C||47-622|
|This is a generic size guide not all tyres will come in the sizes shown.|
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Product Q & A
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You should buy them to hopefully ruminate on the rather interesting decision as to why Continental have seen fit to adorn the product packaging with pictures of Old Aged Ladies (no disrespect intended) :D
Does anyone know how to calculate the difference in overall diameter between the 700 x 23 and the 700 x 25.
The ride improvement of the 25 must be tried as it is much nicer on the body and I have improved my times all round with the same move up from 23's. Larger rolling diameter, beter contact patch.
So the tyre is slightly bigger in the tyre wall basically.
the ones to buy (or can you suggest other options)
and if yes to both the queries above .. what size would I need to order please.
Thanks a lot
Do they fit your bike - perhaps you need to check to see what size your rims are?
Twin Pack price is great but I was looking to run 23 on front and 25 on back for clearance
Can you offer the twin pack based on 23-25 size option?
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