New GP4000S II out now
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Re: New GP4000S II out now
Postby mikesbytes » Tue Apr 15, 2014 7:35 am
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Re: New GP4000S II out now
Postby NhiTrac » Tue Apr 15, 2014 11:04 am
SheikYerbouti wrote:Just picked up a 2nd hand roadie (my first proper drop-bar) and need to replace the old Rubino 23's on it, the previous owner said he got loads of punctures.
As I'm 179cm/90kg I'm moving to 25s. I've heard a lot about the GP4000.
Not sure what to get (or where) - I'm after a decent ride with good puncture protection and grip. I don't race, nor do I regularly ride in the rain - so no flats is more important than knocking 1 minute off my regular ride - but I don't want deadweight marathon pluses either (if I'm riding a seriously rough path I'll take my flatbar with 30c's on it).
Thoughts? I'm considering
- Schwalbe Durano
- Conti Grand Prix GT
- Vredestein Fortezza Quattro Tricomp (if I can find them in 25s)
Don't do it (the gp4s). Im the same height but 6kg lighter than you. Have used the gp4s in both 23 and 25 for ov r several thousand km and theyre both horrendous in terms of puncture and sidewall protection.
Duranos were good however the Vittoria Rubino Pros in 25mm I'm using now are just as good but cheap as chips!
If anyone in Sydney want to test puncture resistance, I invite you to do a full lap of the M5.
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Re: New GP4000S II out now
Postby NhiTrac » Tue Apr 15, 2014 11:04 am
SheikYerbouti wrote:Just picked up a 2nd hand roadie (my first proper drop-bar) and need to replace the old Rubino 23's on it, the previous owner said he got loads of punctures.
As I'm 179cm/90kg I'm moving to 25s. I've heard a lot about the GP4000.
Not sure what to get (or where) - I'm after a decent ride with good puncture protection and grip. I don't race, nor do I regularly ride in the rain - so no flats is more important than knocking 1 minute off my regular ride - but I don't want deadweight marathon pluses either (if I'm riding a seriously rough path I'll take my flatbar with 30c's on it).
Thoughts? I'm considering
- Schwalbe Durano
- Conti Grand Prix GT
- Vredestein Fortezza Quattro Tricomp (if I can find them in 25s)
Don't do it (the gp4s). Im the same height but 6kg lighter than you. Have used the gp4s in both 23 and 25 for ov r several thousand km and theyre both horrendous in terms of puncture and sidewall protection.
Duranos were good however the Vittoria Rubino Pros in 25mm I'm using now are just as good but cheap as chips!
If anyone in Sydney want to test puncture resistance, I invite you to do a full lap of the M5.
BMC Teammachine SLR01
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Re: New GP4000S II out now
Postby SheikYerbouti » Tue Apr 15, 2014 12:33 pm
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Re: New GP4000S II out now
Postby rjk » Wed Apr 16, 2014 1:28 pm
SheikYerbouti wrote:Thanks. Went the Duranos. Pain in the arse to find though - wanted to buy from Pushys but no stock from them or any other Aussie bike stores that I could find, so went for c r c.
I am sorry to hear you didnt go for the gp4000s i have had them for many years and find i an one with the fewest punctures amongst my group, a great training tyre that has plenty of grip, rolls well and you get plenty of wear out of them, over 4000kms out of my last set
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Re: New GP4000S II out now
Postby ironmandreamer » Wed Apr 16, 2014 2:17 pm
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Re: New GP4000S II out now
Postby __PG__ » Wed Apr 16, 2014 3:37 pm
Michelin Pro 4 Endurance or Pro 4 Service Course.SheikYerbouti wrote:Just picked up a 2nd hand roadie (my first proper drop-bar) and need to replace the old Rubino 23's on it, the previous owner said he got loads of punctures.
As I'm 179cm/90kg I'm moving to 25s. I've heard a lot about the GP4000.
Not sure what to get (or where) - I'm after a decent ride with good puncture protection and grip. I don't race, nor do I regularly ride in the rain - so no flats is more important than knocking 1 minute off my regular ride - but I don't want deadweight marathon pluses either (if I'm riding a seriously rough path I'll take my flatbar with 30c's on it).
Thoughts? I'm considering
- Schwalbe Durano
- Conti Grand Prix GT
- Vredestein Fortezza Quattro Tricomp (if I can find them in 25s)
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Re: New GP4000S II out now
Postby warthog1 » Wed Apr 16, 2014 4:12 pm
__PG__ wrote: Michelin Pro 4 Endurance or Pro 4 Service Course.
How do you go for mileage with them and roughly what do you weigh?
I've had a good run with gp4000s's but ony get ~ 3k km out of a rear. I weigh 75 kg
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Re: New GP4000S II out now
Postby __PG__ » Wed Apr 16, 2014 4:28 pm
I switched to Gatorskins for commuting almost two years ago, no punctures yet.
I was using the Michelin Pro Optimum at the moment. I'm down to about 86 kg now. I got about 2,800 km out of them before I cut the rear sidewall last weekend. They are an older model tire, probably a mixture of the Pro Race 3 and the Krylion.
I did run the Pro 4 Endurance for a few hundred kms last summer but destroyed the rear tire when experimenting with lower tire pressures. I keep the front as a spare.
The Pro 4 Service Course seems to be a highly regarded tire. The Kyrlion was as well, although not many people seem to run the newer Endurance model.
Based on tire specs, what I read on the web and my own experience I'd say that compared to a Continental tire the Pro 4 Endurance sits between the Gatorskin and the GP4000.
When my new set of Michelin Pro Optimums wear out I'll either switch to GP 4 seasons or Pro 4 Endurance.
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Re: New GP4000S II out now
Postby warthog1 » Wed Apr 16, 2014 4:33 pm
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Re: New GP4000S II out now
Postby DTdotcom » Wed Apr 16, 2014 4:38 pm
I normally bin them as they're too cut up before this, but last Pro 4 made it to 8000kms.warthog1 wrote:__PG__ wrote: Michelin Pro 4 Endurance or Pro 4 Service Course.
How do you go for mileage with them and roughly what do you weigh?
I've had a good run with gp4000s's but ony get ~ 3k km out of a rear. I weigh 75 kg
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Re: New GP4000S II out now
Postby Blakeylonger » Wed Apr 16, 2014 4:56 pm
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New GP4000S II out now
Postby warthog1 » Wed Apr 16, 2014 8:49 pm
I don't know what you are riding over. I have done >30 k km on them and never had to bin one because of cuts.Dimma wrote:
I normally bin them as they're too cut up before this, but last Pro 4 made it to 8000kms.
They wore out apart from a recent one that copped a welding rod through it leaving a big hole in the carcass.
I ride around, not through, bogan confetti and don't live in the city.
That is good mileage from the michy. I might have to try one.
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Re: New GP4000S II out now
Postby djw47 » Thu Apr 17, 2014 12:47 pm
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New GP4000S II out now
Postby herzog » Thu Apr 17, 2014 1:06 pm
A year on I am yet to puncture a gator, despite commuting on them every day in all weather.
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Re: New GP4000S II out now
Postby warthog1 » Thu Apr 17, 2014 2:40 pm
"1,000ish miles, 28 cuts on the front tyre, more in the back, numerous slashes and recently punctures galore. These tyres just don't have the "Endurance" the name suggests and debris penetrates too deeply to easily removed, meaning you either hack your tyres to bits yourself or you let it work through and cause further damage.
Currently tossing up between 4000s and Gatorskins. One thing's for sure, I won't be touching these again."
There are other reviews that say similar. So FIIK
The two blokes in the posts above this don't like the 4000S and are waxing lyrical about gatorskins. Others like them too.
Tyres are an opinionated subject and we all have them. I'll just stick with the GP4000S I reckon
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Re: New GP4000S II out now
Postby mikesbytes » Thu Apr 17, 2014 3:02 pm
Well that shows the ramdomness or cuts and puntctures, I've had a pro4 endurance on the back of my fixie commuter for 6 months and only had one puncturewarthog1 wrote:Had a read of the pro4 endurance reviews on wiggle;
"1,000ish miles, 28 cuts on the front tyre, more in the back, numerous slashes and recently punctures galore. These tyres just don't have the "Endurance" the name suggests and debris penetrates too deeply to easily removed, meaning you either hack your tyres to bits yourself or you let it work through and cause further damage.
Currently tossing up between 4000s and Gatorskins. One thing's for sure, I won't be touching these again."
There are other reviews that say similar. So FIIK
The two blokes in the posts above this don't like the 4000S and are waxing lyrical about gatorskins. Others like them too.
Tyres are an opinionated subject and we all have them. I'll just stick with the GP4000S I reckon
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Re: New GP4000S II out now
Postby __PG__ » Thu Apr 17, 2014 3:15 pm
My old 23 mm Krylions did cut up a lot but the Michelins I've had subsequently have been much better.
I think tire pressure has a huge affect on people's puncture rates. Before I had a proper floor pump I used to puncture my old Krylions 2-3 times a year. When I bought a floor pump and pumped them up to 100 psi I didn't get any more punctures. I've never punctured my 25 mm Gatorskins. I always check the pressure before a morning commute.
I destroyed my rear 23 mm Pro 4 Endurance when experimenting with lower tire pressure on a 23 mm rim. I was riding below 90 psi.
When I punctured my front 25 mm Pro Optimum and put a big cut in it, I was also experimenting with lower pressures. Once again, I was below 90 psi.
Since I've been running 100 psi on the Michelins again I've had one slow puncture and one sidewall failure in about 2,600 subsequent kilometres. The latter occurred while riding the shoulder of the Melba Hwy. It's likely that the courser chip and extra debris on that highway increased the chances of a sidewall tear.
FWIW the average review on Wiggle for the Pro4 Endurance is 4* out 5. GP4000 is 4.7* out of 5, but you still have a few people who cut the sidewall within a few hundred km and swear they are rubbish.
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Re: New GP4000S II out now
Postby singlespeedscott » Sun Apr 20, 2014 3:39 pm
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Re: New GP4000S II out now
Postby Tim » Sun Apr 20, 2014 7:07 pm
One set of Conti GP4000's lasted me nearly 7000km's, close to twelve months and a different set started to split and perish within 3500km's. Same tyre, different retailer, entirely different experience between batches.
I now always buy tyres from high turnover, large outlets such as Wiggle and hope they haven't been sitting around for too long prior to purchase.
I hope they don't phase out the GP4000's.
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Re: New GP4000S II out now
Postby Red Rider » Mon Apr 21, 2014 8:56 pm
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Re: New GP4000S II out now
Postby Xplora » Mon Apr 21, 2014 10:13 pm
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Re: New GP4000S II out now
Postby mikesbytes » Mon Apr 21, 2014 11:13 pm
Need some new sports tyres, where's the best deal?Xplora wrote:Clearance pricing. GP4000s wasn't that cheap for a long time.
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Re: New GP4000S II out now
Postby Dr_Mutley » Mon Apr 21, 2014 11:19 pm
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Re: New GP4000S II out now
Postby warthog1 » Tue Apr 22, 2014 9:42 am
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