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Stationary trainer tire PSI
 

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ErikS
Joined: 19 May 2005
Posts: 8320
Location: Slowing boiling over in the steamy south, Global Warming is real

12/10/12 5:06 AM

Stationary trainer tire PSI

Any thoughts. I run full psi and see no tire wear.

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Brian Nystrom
Joined: 26 Jan 2004
Posts: 4528
Location: Nashua, NH

12/10/12 6:16 AM

There's no reason not to run high pressure

Unlike on the road, there's no difference in ride quality or comfort. On a trainer, higher pressure means less tire deflection and therefore, less heat buildup, which should increase the life of the tire.

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Dave B
Joined: 10 Jan 2004
Posts: 4511
Location: Pittsburgh, PA

12/10/12 7:38 AM

+1 I use the same pressure I use on the road and tire wear is minimal.

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henoch
Joined: 12 Jan 2004
Posts: 1661

12/10/12 9:48 AM

I actually run it a bit higher in the trainer, usually around 120psi.

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walter
Joined: 11 Jan 2004
Posts: 4379
Location: metro-motown-area

12/10/12 12:02 PM

keep doing that

i ride the trainer from jan-apr every spring and run full PSI with my tires lasting many seasons on the trainer *after* having already lived their useful on-road lives.

i've heard about guys burning up tires, but i run full PSI and crank the roller down tight (but not stupid tight, just enough so there's no slippage) and they last and last and last.

tire burners must put out mad power or something...

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Dave B
Joined: 10 Jan 2004
Posts: 4511
Location: Pittsburgh, PA

12/10/12 12:13 PM

Tire Burners

Having the roller too tight or too loose will shred tires. Too tight causes a lot of flex and heat buildup and too loose lets it slip. I set the tension so that a hard fast yank on the rear rim will cause the tire to slip slightly on the roller. Done that way, they don't slip while I'm riding and the tires last for as long as they would on the road or better.

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Sparky
Joined: 08 Dec 2003
Posts: 17505
Location: Portland, OR

12/10/12 1:38 PM

High and not too tight to the roller on the trainer seems to generate less heat.

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Rickk
Joined: 01 Jun 2004
Posts: 526
Location: Montreal

12/10/12 4:42 PM

Good points made re. relatively increased pressure

Makes sense.

Otoh, 'Trainer-specific tires' are being marketed by several... Meh.

Never really noticed them in the past.

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ErikS
Joined: 19 May 2005
Posts: 8320
Location: Slowing boiling over in the steamy south, Global Warming is real

12/10/12 4:53 PM

Tire eaters don't ensure the wheel is square in the trainer.

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Sparky
Joined: 08 Dec 2003
Posts: 17505
Location: Portland, OR

12/10/12 5:43 PM

I just use the tire I don't trust on the road anymore. I have not blown one yet. Taken off before that, but have had a few start to come apart. ;)

Used to also mount wire beaded tires that come on wheels and bikes I wind up with in trade etc. Now that I gave my eldest a 700 bike, these go to Spokane. ;)

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