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Grand Prix 4000?

Old 06-01-16, 06:14 PM
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Grand Prix 4000?

I'm considering putting Continental Grand Prix 4000 S II tires on my Sirrus. Anyone have any experience/thoughts on these? I ride mainly on roads/bike paths and I'd like something that is a little more sure footed in occasional rain than my stock tires, without sacrificing too much speed. Decent puncture resistance is appreciated as well. Also I'd like some thing in the 28-35mm range. Would these tires work well for my situation?
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Old 06-01-16, 06:25 PM
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GP 4000S II's are great tires. I've got a set of their predecessor (same but without the II) and have put around 2500 miles. The only flat I've gotten was from some joker putting thumb tacks on the road.

These are really fast tires with excellent grip (wet and dry). The biggest trade-off is that they don't last as long as some other tires, but those "other tires" won't feel as nice or have as much grip.

If you want something more durable, consider the Schwalbe Marathon Supreme (not to be confused with the entirely dissimilar Marathon Plus). The Marathon Supreme is stiffer than the GP 4000S and so it feels a bit more sluggish on the road (your actual speed isn't likely to change much, but you definitely feel the difference). The trade off is that it lasts longer and has slightly better puncture protection. The Marathon Supreme does have excellent wet and dry grip.

The Marathon Plus is a full on utility tire that lasts forever and is very hard to puncture but doesn't have the same grip as the others and feels much more sluggish. It is considerably less expensive. I would only use these to address chronic flat tire issues.
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Old 06-02-16, 08:38 AM
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The GP4000 S II (Black Chili compound) is a great tire; there are reasons it's so popular. It has very low rolling resistance, excellent grip, and is relatively resistant to punctures given its class. I've used them in 25; you can now get them in 28; had no problems at all with them.

Another suggestion, if you want something with a little more volume in a 'road' (as opposed to 'touring') tire: Specialized Roubaix Pro in the 32/30 size. These roll almost as well as the GP4000 but have slightly more puncture protection and are a little more hard-wearing. I currently use these.
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Old 06-02-16, 12:29 PM
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The Roubaix Pros look pretty nice too. Touch choice.
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