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Conti GP5000 tire life-span: how many miles did you get?

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Conti GP5000 tire life-span: how many miles did you get?

Old 08-23-21, 01:23 PM
  #1  
ctak
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Conti GP5000 tire life-span: how many miles did you get?

This past June I installed a set of non-tubeless 28mm GP5000s (non-tubeless) on my road bike. I've long been a fan of gp4000/5000s and have 32s on my sport tourer, but previously have never bothered to document usage.

I've since been tracking tire mileage via Strava: 2,374 miles on the 28s (pictured below). Front tires look good, with the rear showing some squaring off (wear indicators are visible). No flats yet but plenty of little cuts. Road conditions on my routes are typically 30% smooth paved, 60% crappy paved / road shoulders and 10% light gravel/dirt. Avoiding flats at 50mph on a steep descents (quite a few around here!) is a motivation for retiring tires sooner rather than later, but at this rate I don't see why I wouldn't be able to log another 2,000 miles first.

To compensate for the uneven tire wear, yesterday I swapped out the rear for the front and vice versa (pics below taken after the swap).



So far, my observations seem pretty similar to the BRR endurance test results: https://www.bicyclerollingresistance...endurance-test

Questions for the BF crowd who track GP5000 usage:
1) what tire size and PSI do/did you use?
2) how many total miles did you get (tubeless or non) before trashing them?
3) how many flats did you get? (pls specify front or rear if you recall)
4) how would you describe the road surfaces where you ride?
5) anything else you'd like to add

Thanks all!

Will report back once I hit 4k miles if this thread generates any interest...

Last edited by ctak; 08-23-21 at 01:27 PM.
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Old 08-23-21, 01:28 PM
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cuevélo
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5) Rather than rotating tires back to front, I'd wait until it's time to replace the back tire, rotate front to back, and put a new tire on the front.
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Old 08-23-21, 03:06 PM
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1) 25 mm. 100 psi front and 115 to 125 psi on the rear works great for me. I've tried lower and I'm slower and more worn out. And I've tried this many times for at least a dozen rides together. Plan to go to 28 mm but I still have 25's on the shelf.
2) 4000 plus maybe on the bike I just gave away. But tire mileage on it wasn't tracked well. Current bike has 3000 miles on it's tires. All still good tires.
3) Never had a flat on them yet that I can remember.
4) Smooth to very smooth asphalt with aggregate less than 3/8" and less diameter. Potholes certainly, but I go around those.
5) I like to keep my best tire on the front. Between the front and back, I'd rather the back go out from under me and cause a crash than the front go out from under me. Remember that as long as the wear indicators put in there by Continental are visible, the tire is good. I prefer the wear indicators of all tires, when the cords of the casing show and it gets a flat.
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Old 08-23-21, 04:13 PM
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I switched out both front and rear 25mm GP5000 tyres at around 2500 miles (a shade over 4000km). All on paved roads, but they're not exactly smooth out here.

The tyres weren't worn to the carcass or anything and I probably could have gotten another 500 or so out of them, especially the front.
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Old 08-23-21, 04:19 PM
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I recently retired my first 25mm GP5000 with > 9,000 mi and the dimples still visible. Used in hilly terrain on a mix of suburban roads from good to absolute crap. Rider + bike weigh about 160 lbs.
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Old 08-23-21, 04:25 PM
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3000 miles on my GP5000s and I still think of them as "newish" It's a road bike, but it's seen some gravel.

When the rear tire profile flattens too much, I'll replace it. Expecting to get to 5000 miles or so, give or take. Front tire gets replaced with every other rear tire, unless there is an "incident"
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Old 08-24-21, 11:37 AM
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I would never swap back to front. You always want your best tire in front. I always rotate front to back and the 5000 seems to wear faster in front than the 4000 but it may just be the bike. The 4000 front would deteriorate long before it ever began to wear shedding threads as it went.
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Old 08-24-21, 11:52 AM
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I do love the Conti 5000 tires, but they seem to get a lot of little cuts on the tread surface. I like to change them in sets annually, so that is about 4-5000 miles. I save the best one (usually the front) for a spare.

I only weigh about 142 lbs, so I am sure that helps get extra life.
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Old 08-24-21, 02:49 PM
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I get at least 5500-6000 miles on a set of GP5000 25mm. I ride about 95-100 rear and 80-85 front. I weigh 169 and try to ride on decent roads. I run them about 2000 miles and then as long as the back tire looks fine no cuts or unusual wear I put the front on the back and back on the front. Then I pretty much run them till they are done which is close to the wear indicators. I rarely flat with them and they are the best by far. I cannot believe the mileage I get from them. I run tubes for sure not tubeless for me. I have gone through at least 2 sets of GP4000 and GP5000s with no flats at all. The last flat I had was end of May I could not avoid a huge, huge pothole and dropped in and pinch-flat tor the front tire. That was just a freak thing I could not move over truck coming up behind. I use to use the 23's but the last 2 sets I went 25 and actually these are right at 25 and work well. I really don't mind the 23 for that matter they work. I do try and stay away from roads that were just chipped and sealed. The surface you ride on has much to do with wear. I have a 5 mile continuous loop I ride sometimes in a subdivision outside of town. The road is smooth and allows continuous riding no stops on good pavement. I do it as a crit like work out sometimes riding 50-55 miles.
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Old 08-24-21, 03:13 PM
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I get 30% more wear on GP 5000 vs GP 4000 and fewer ruined side casings. Fewer flats. Awesome tire.
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Old 08-24-21, 07:41 PM
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Me: Almost exclusively pavement, 5'10", 190lbs. Figured I'd give some stats on the GP4000 that I have on the rear of my Lynskey

1) what tire size and PSI do/did you use?
GP4000 SII, 25mm, 90PSI


2) how many total miles did you get (tubeless or non) before trashing them?
~2170 miles so far, all but 6 of them on pavement. Only recently started showing some squaring off.

3) how many flats did you get? (pls specify front or rear if you recall)
No flats yet


4) how would you describe the road surfaces where you ride?
First 1300 miles: fairly smooth asphalt, not much chipseal
Most recent ~900 miles: fresh rail-trail pavement, very smooth.


5) anything else you'd like to add
My Rubinos and Zaffiros seemed to square off as soon as they were mounted - I even had a shop tell me it was time to replace the tire that I'd put on two months prior (maybe 3-400 miles). The GP4k seems like a great value in that regard.
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Old 08-25-21, 05:17 AM
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I use 32mm tubeful GP5000s that I run at 75 psi - I weigh 225 and ride on typical suburban roads with lots of crud.

I don't push tire mileage anymore - I'd rather avoid roadside flat repairs than get a few hundred more miles. On 3 rear tires I'm getting around 3,000 - 3,500 miles before the wear dimples nearly disappear.

I've never seen any benefit out of rotating front/back - the front lasts much longer but I don't even track it. I replace the front at same wear dimple point that I do in the rear.

I've had 3 flats in about 10K miles on them - all wire shards. Two of them (one in front, one in rear) were just slow leaks - didn't notice on ride, found out before next ride. One in the rear was a roadside repair.

The soft compound of the GP5000s does seem to quickly pick up nicks but not much gets through.

That is much better flat performance than I've seen on other tires I've used in the past but I'm also inspecting my tires now after each ride, removing any slivers that got in, etc. and not waiting until I see liner poking out before I replace!

The GP5000s are about the only tires I've used in years (I run Schwalbes on other bike) that I can put back on completely by hand - made that roadside repair much less of a struggle.

Right now 32mm GP5000s seem to be out of the supply chain - only available at very high list price.

Last edited by jpescatore; 08-25-21 at 05:23 AM.
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Old 08-25-21, 06:43 AM
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I have just under 5K miles on a set of GP5KTLs that seem to be in good shape. Wear marks are still visible on rear tire. They're 28s and I run about 80-85 psi. I think I'll get 6K miles on these. I have a fresh set sitting on a shelf for when these die.
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Old 09-15-21, 10:52 AM
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So.... after swapping the front and rear tires at ~2500 miles (the front was showing only a little wear, whereas the rear was pretty squared off - pic above), I punctured the rear while descending last week (a piece of glass went right through the casing) and have since replaced both with a new set of 28s. It was my first flat on these tires.

Thanks everyone for your replies.
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Old 09-15-21, 12:59 PM
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Originally Posted by ctak View Post
Questions for the BF crowd who track GP5000 usage:
1) what tire size and PSI do/did you use?
2) how many total miles did you get (tubeless or non) before trashing them?
3) how many flats did you get? (pls specify front or rear if you recall)
4) how would you describe the road surfaces where you ride?
5) anything else you'd like to add

Thanks all!
1) Used 23mm front, 25mm rear, tubed (butyl then latex), 105psi on my pump which is about 97-96 psi actually. Now using GP5000 TL in 25mm on my all around wheelset, pumping them to about 87-88 psi (calibrated, 95 psi on my pump).

2) Got almost exactly 7000km on one set (4375 mi) before replacing them with tubeless, and they were still good for thousands more. Another set which had 2000km on them is basically like new. Going to probably gift them. My wife's set which had maybe 1000km on them I sold to a club mate as "like new" because it is.

3) Punctures by external things, one or two (one was a huge nail which went all the way through the rear tire which was rather memorable), but I had some flats from somehow pinching latex tubes.

4) Main roads in my country where most miles were done I would cathegorize as good tarmac, except the most heavily trafficked bits which can be a bit worn and rough. On thw other hand some of the secondary roads are really riddled with potholes, speed bumps and cracks, rode the odd short gravel bits, too. Overall I would say good roads. Weight is 72kg, so I'm not particularly rough on the tires.

5) Great tires, the only complaint I have is that they can be a bit hard to install.
​​​​​​

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Old 09-15-21, 03:00 PM
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Did you keep using your tire after the more severe puncture(s) that went all the way through? I'm debating putting an internal tire patch on this (daylight visible through this cut which pierced the 3 ply casing) or just trashing it





Originally Posted by Branko D View Post

3) Punctures by external things, one or two (one was a huge nail which went all the way through the rear tire which was rather memorable), but I had some flats from somehow pinching latex tubes.

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Old 09-16-21, 12:10 PM
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i'd trash it if you have a replacement on hand.
Plan on ordering one soon if not.
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Old 09-16-21, 01:24 PM
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I switched to GP5000 when the GP4000s was first discontinued -- and by "switched" I mean I bought a whole mess of them -- but I have yet to actually use any because I'm still getting so much life out of the GP4000s!
Historically I hope to get at least 2,500 miles out of a tire, and I expect to get anywhere from 1,500 to 3,000...but for whatever reason the three bikes that I have GP4000s on are all at over 4,000 miles currently.
So I'm just hoping I can get similar results from the GP5000 but so far have no empirical data.

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Old 09-26-21, 07:14 PM
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I just pulled a set of tubeless 700x25 off. Front tire still had the wear indicators intact, the rear tire didn't. Rear tire however had a large puncture that wouldn't seal with a plug. Rubber was also starting to bubble around the puncture.I replaced both as I don't like riding with one new/one old. Had about 1500 miles on the pair. Hoping the next pair will get a little further than 1500 miles.
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Old 09-28-21, 10:35 AM
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I installed a new GP5000 less than 100mi ago and kept getting flats. First one on the road thought it could have been tube install error, 2nd one I fixed on road and again could not find cause, now thinking it could be bad rim tape so I marked the area to check it at home as after full inflation there was no bulge or other signs. Then at home it blew again just sitting there and I finally found the cause. The tire casing right along the bead is tearing off the bead and barely being held together with a few strings - I can use my finger to keep ripping it along the bead - this is perhaps why I could not see it after inflation as it started at small spot just under rim edge.

I've never seen this before and assume it is a manufacturing defect as I have not used any tools to install.

Anyone else see this before? Anyone had luck with Continental providing a warranty replacement? I've already sent request to customer service.
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Old 09-28-21, 12:21 PM
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Originally Posted by noisebeam View Post
I installed a new GP5000 less than 100mi ago and kept getting flats. First one on the road thought it could have been tube install error, 2nd one I fixed on road and again could not find cause, now thinking it could be bad rim tape so I marked the area to check it at home as after full inflation there was no bulge or other signs. Then at home it blew again just sitting there and I finally found the cause. The tire casing right along the bead is tearing off the bead and barely being held together with a few strings - I can use my finger to keep ripping it along the bead - this is perhaps why I could not see it after inflation as it started at small spot just under rim edge.

I've never seen this before and assume it is a manufacturing defect as I have not used any tools to install.

Anyone else see this before? Anyone had luck with Continental providing a warranty replacement? I've already sent request to customer service.
Have any pics to share?
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Old 09-28-21, 01:10 PM
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Poor image, but it shows the split

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Old 09-28-21, 01:45 PM
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that tire is on its way to an early retirement.
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Old 09-28-21, 01:49 PM
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Of course it is unusable.
Question is is that is a defect or user damage?
I think defect as I can't see how it could happen with install or use. Rim edge is perfectly smooth too.
Really annoys me to throw away $50 like that. Maybe Conti will come through.
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Old 09-29-21, 07:40 AM
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Originally Posted by noisebeam View Post
Poor image, but it shows the split

my first set of 5000tl’s (early production) would throw cords regularly, never split from the casing though. I showed the owner of my LBS (small shop big community partner), and he swapped them out for me. He later told me that Conti replaced them for him on his next order.

I’m on my third set I think. They do last longer than I usually get. About 2500 miles before casing was getting beyond thin. I ride the TL’s, don’t think I’ve ever gotten a flat that didn’t seal on any of them. Nasty suckers to put on my wheels as compared to all the other TL’s I’ve had but great tires IMHO. So tight but easiest to seat though lol
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