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Continental
Grand Prix 4000 S II Tubular Tire

  (3 customer reviews)
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MSRP $139.95
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A no-compromise tubular perfect for training and racing.

Continental's Grand Prix 4000 S II Tubular Tire is a handmade tubular version of Conti's newest flagship racing and training tire. This updated version of the 4000 SR tubular is just a little grippier, more durable, and faster than its predecessor. That's because Conti is able to improve the performance of their exclusive Black Chili rubber compound, used in this tire's tread, by 3-4% every year, thanks to their continued dedication to research and development.

What is Black Chili? It's a unique rubber compound with an ultra-danse construction and high silica content, allowing it to deliver outstanding grip and blazing fast speeds. This cutting-edge compound is also optimized for reliability and longevity, making it a great choice when both performance and durability are top priorities.

In addition to utilizing this famous tread compound, the 4000 S II also features Conti's patented Vectran puncture protection breaker. Vectran was originally developed by NASA in the construction and space shuttles and suits, and Continental has brought its otherworldly lightweight protection to bike tires, making these tires impressively flat-resistant.

The 4000 S II tubular utilizes a seamless casing for perfect seating on your rims and all-around tire uniformity. Four fabric plies for a total of 240 TPI gives these tires a very supple ride quality. Available in 700c x 22mm. 115-170 recommended PSI. 270 grams.

 

Weight: 270 grams

 

Weight: 270 grams

 

ISO (ETRTO) Size: 22-622 mm

 

Max Pressure: 170 PSI

 

Threads Per Inch: 4 Plies/240 Total TPI

 

Made in: Germany 

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Great service!
rating
MANCOS Colorado

Great weekend service and knowledgeable sales people.

Reviewed 6/19/2017
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Good combo of speed and durability on my Sub 9 disc for both road and velodrome!
rating
by Stevepro65
Competitive Racer
Salt Lake, Utah
3 of 4 customers found this review helpful.

Its pricey, like all other fast tubies, but it also handles the rough chipseal roads of the Saltaire Time Trial as well as it handles Colorado Springs' velodrome. I have it mounted on my Sub 9 disc and use it for both track and road. Great tire!

Reviewed 9/4/2016
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It's a Continental Grand Prix! But in a tubular!
rating
by Anonymous
Cycling Enthusiast
San Diego, CA
3 of 4 customers found this review helpful.

Just like the Grand Prix's in the clinchers, I converted over to tubulars this past summer. Picked up a pair of Zipp 303's and the Grand Prix's. I don't pretend to be a bike wrench, so my LBS installed these tires and they took a week to apply these tubulars properly. They also installed Orange sealant in them. I couldn't be more happier with this setup. Not sure if its the carbon layup of the wheels and the Conti's, but the ride on this combination is great.

The parts of San Diego that we ride in have some of the nastiest roads with pot holes, etc. I try to avoid these, but some of the roads I've ridden in, the wheel and tire combination have not let me down.

I do carry a can of Vittoria Pit Stop and a spare CO2 just in case. Also, the sealant has caused some issues with the removable valve core. There was an incident when trying to pump up the rear tire, the presta valve would not seal correctly (still letting air out). I jiggled the valve pin around to make it stop, but I took it into my LBS and they removed the valve core and replaced it with another one (no charge!). They told me the sealant causes these issues with the core and gunk's it up sometimes. The front valves seem to be fine. Stan's does make a valve core remover and I might get one and try this myself if this ever happens again.

They are a bit pricey, but so far so good.

Reviewed 5/11/2016
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