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Continental Grand Prix 4000 S II Tubular Tire

Mfg PartNum:C1108222
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The Continental Grand Prix 4000 S II Tubular Tire is just what it sounds like—Conti's flagship racing and training tire in handmade tubular form, with a seamless casing for perfect seating on your rims and all-around tire uniformity.

The 4000 S II delivers on all fronts, combining speed and amazing handling with impressive puncture resistance and extended tread life. Just like the 4000 SR before it, the 4000 S II is a fast, durable, superb-riding tubular tire—and it's even better than its predecessor. It features Conti's famed Black Chili rubber compound, which, thanks to continued R & D, the German tire manufacturer is able to improve by 3-4% every year. The new 4000 S II has even better adhesion in wet and dry conditions, better durability, and lower rolling resistance than the previous model.

Black Chili is Continental's top rubber compound—an incredibly dense rubber, made up of particles roughly ten times smaller than those typically used in bike tires. The result is that the tire is not only more durable, but more able to conform to (grip) the road. It's also more resistant to UV rays, helping the tire to resist cracking and premature tire wear.

The 4000 S II also features Conti's patented Vectran puncture protection barrier underneath the tread. Originally developed by NASA in the construction of space shuttles and suits, Vectran is a tough but lightweight material that allows Conti to keep their tires extremely light while providing tremendous puncture protection.

The Grand Prix 4000 S II Tubular features four fabric plies for a super-supple total of 240 TPI. Available in 700c x 22mm. 115-170 recommended PSI. 270 grams.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Weight: 270 grams

Mfg PartNum: C1108222 

Wheel Size: 700C/29" (ISO 622) 

Tire Width: 22mm (0.9in) 

Tire Type: Tubular 

RimSize: 622 mm

Width: 22 mm

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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Reviewed 1/7/2019
by cdarmof
Competitive Racer
West Windsor, NJ
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
A tough tire, a tough price, but great performance.

I've installed and ridden other tubular tires before, but nothing seems to compare to the Conti 4000. I use Conti 4000 clinchers on my other bikes and found a great balance of performance, durability, and handling, so I searched for the same in tubulars, and was not disappointed. Reading about them in advance helped me to prepare for their installation by stretching them out on the destination rims for about a month and a half before installation. Also, practiced different ways of installation while dry before setting them up with the cement since these are as tight a tire as I've even installed, but well worth it. Applied the cement to both rim and tire evenly but not too much... waited about 12 hours, then applied another layer to the tire only... waited about 10 - 15 minutes so that it's not real tacky, then started the install with about 25 PSI. Inserted the valve stem first and pulled the tire around on both sides working towards the opposite end. Once I was about two-thirds complete I removed the value core to let out all of the air which allowed the tire to stretch out a little better the remainder of the way, but was still very tight. Once on, went around the wheel and centered the tire on the rim so that beads of either side were the same... added some air and continued to ensure tires were centered.... spun to ensure perfect roundness and centering... applied 145 PSI... rolled them on hard floor for a while to ensure even tension and then let sit for 24 hours before riding. These don't seem to leak air like my other latex tubulars, but rather hold the air for many days... what a treat. The ride is super, as expected. 22mm, excellent rolling resistance, smooth and confident cornering, and the dependability of Conti..... this is a great tire and well worth the money and the effort, although I did wait for it to go on sale before buying a set. Just ordered a second set to let them age and soften for next year when I will gladly do this again. I hope you find this info useful... the roads in New Jersey are not the most smooth, and with the added road debris during the winter months, my confidence is very important.

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Reviewed 9/4/2016
by Stevepro65
Competitive Racer
Salt Lake, Utah
Value Rating
Overall Rating
3 of 4 customers found this review helpful.
Good combo of speed and durability on my Sub 9 disc for both road and velodrome!

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!

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Reviewed 5/11/2016
by Anonymous
Cycling Enthusiast
San Diego, CA
Value Rating
Overall Rating
3 of 4 customers found this review helpful.
It's a Continental Grand Prix! But in a tubular!

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.

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Reviewed 6/19/2017
MANCOS Colorado
Overall Rating
Great service!

Great weekend service and knowledgeable sales people.

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