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Specialized Tires...Nimbus

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Old 09-25-16, 09:19 PM
  #26  
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Try whatever the bike shop recommends. They probably won't steer you wrong.

It's nice to see someone mention Michelin here. They have fallen into a bit of obscurity in the US market. They've always been good, though.

My favorite tires have tire company brand names on them, not bike companies. Some of those tires are good, but I never really know what I'm getting.
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Old 09-25-16, 09:36 PM
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OK another observation (800mi on my nimbus before replacement due to major damage from glass.)

While the nimbus tread pattern looks just plain cool, and like a fast street tire, it simply is not quick. What I have found however is that on clean asphalt the nimbus has some very high grip, allowing some pretty insane cornering.

I did however find the nimbus quite beneficial on 25+ mph segments due to this grip, but keep in mind I had to run much higher pressures to be happy with it (80 rear 60 front, which is risky for flats due to very little chance of taking a piece of glass without flat.)

Over 10 flats in 800mi on nimbus, I ride with a friend on gatorskin, he's had one flat in pretty much the same mileage.
0 flats in first 300mi of the schwalbe marathons, with the only complaint being grip loss on clean asphalt (I've actually found the point where the schwalbe starts to slide, while the nimbus proved to have enough grip that I was not brave enough to push them to the point of breaking grip. But I think breaking grip on a slick tire would result in a much worse situation than a knobby tire sliding a bit under hard turns.)

For hybrid speeds I really don't think grip is an issue. None of us are going to be doing much over 20-25mph on a flat bar bike, and if you are riding drops then you probably aren't even considering the nimbus (and shouldn't).

I've been trying to hold 18mph in my current stage of fitness on a flat bar hybrid, with results ending up in the 14-16mph range. Carbon road bike I get low 20's for comparison. 20-40mi long rides avg.
Friend has same bike (2017 sirrus disc a1) and we have been trying to get an idea of speed from both switching out of nimbus tires...
Seems on limestone chat and roads: gatorskin- much better puncture resistance with 2 to 4mph increase at our fitness level, grip increase. Schwalbe marathon mondial- fairly steady 2mph increase with insane puncture resistance, grip decrease but only when on road.
Both tires are much lighter than the somewhat heavy nimbus.

My verdict: if your bike comes with nimbus get all you can out of them, they simply are not a bad tire and are fine to run until they need replaced, which the tread did not wear that much for me at 800mi. My run on them ended from a few splits from glass that refused to stop splitting back open again from small rocks, but I would consider this normal on any compromised tire (glass cuts).
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Old 09-26-16, 11:42 AM
  #28  
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Schwalbe Marathon Supreme 700x50 here, it's been I think 5-6000 miles, with maybe 3-4 flats, all of them really heinous metal sharps (twice huge staples), except there was one tiny fine wire that wormed its way through the breaker layer and caused slow leaks for a few days before I went in and searched hard to find it.

I think part of the key is the excellent flat protection built into the tire, but also it's important to have nice wide tires so you can run lower pressures. I pump them up to a 'rock hard' 60 front/40 rear once a month or so, and let them dwindle down to about 30. Think about poking a needle into a balloon -- what if the balloon is huge and taut vs small and soft and flabby?

If I had problems with lots of flats, I'd go back to Mr Tuffys, which I used before with great success.
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Old 09-26-16, 12:28 PM
  #29  
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Originally Posted by Insidious C.
One of the oldest zombie threads I've seen!
Eleven years asleep.
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Old 09-26-16, 01:54 PM
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Originally Posted by cdkuyk
OK another observation (800mi on my nimbus before replacement due to major damage from glass.)

While the nimbus tread pattern looks just plain cool, and like a fast street tire, it simply is not quick. What I have found however is that on clean asphalt the nimbus has some very high grip, allowing some pretty insane cornering.

I did however find the nimbus quite beneficial on 25+ mph segments due to this grip, but keep in mind I had to run much higher pressures to be happy with it (80 rear 60 front, which is risky for flats due to very little chance of taking a piece of glass without flat.)

Over 10 flats in 800mi on nimbus, I ride with a friend on gatorskin, he's had one flat in pretty much the same mileage.
0 flats in first 300mi of the schwalbe marathons, with the only complaint being grip loss on clean asphalt (I've actually found the point where the schwalbe starts to slide, while the nimbus proved to have enough grip that I was not brave enough to push them to the point of breaking grip. But I think breaking grip on a slick tire would result in a much worse situation than a knobby tire sliding a bit under hard turns.)

For hybrid speeds I really don't think grip is an issue. None of us are going to be doing much over 20-25mph on a flat bar bike, and if you are riding drops then you probably aren't even considering the nimbus (and shouldn't).

I've been trying to hold 18mph in my current stage of fitness on a flat bar hybrid, with results ending up in the 14-16mph range. Carbon road bike I get low 20's for comparison. 20-40mi long rides avg.
Friend has same bike (2017 sirrus disc a1) and we have been trying to get an idea of speed from both switching out of nimbus tires...
Seems on limestone chat and roads: gatorskin- much better puncture resistance with 2 to 4mph increase at our fitness level, grip increase. Schwalbe marathon mondial- fairly steady 2mph increase with insane puncture resistance, grip decrease but only when on road.
Both tires are much lighter than the somewhat heavy nimbus.

My verdict: if your bike comes with nimbus get all you can out of them, they simply are not a bad tire and are fine to run until they need replaced, which the tread did not wear that much for me at 800mi. My run on them ended from a few splits from glass that refused to stop splitting back open again from small rocks, but I would consider this normal on any compromised tire (glass cuts).
Armadillos? There is a BIG difference between their regular tires and the Armadillos. Night and day for flat protection.

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Old 09-26-16, 03:10 PM
  #31  
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Old 09-26-16, 03:33 PM
  #32  
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I ran Nimbus tires on my MTB commuter, one of them was an Armadillo model. I didn't love them but they were reliable. I think buying today I'd go with the Marathons. I've read enough reviews, with experience and data behind them, to believe the hype.
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