Road tires for use on a trainer
#26
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I used an old Schwalbe Lugano on my trainer until the tire exploded due to wear and heat buildup I guess. Then I read in a forum somewhere (it might have been here) to tightly double wrap your tire with electrical tape. Do it in a counterclockwise direction (from the drive side) so the exposed end doesn't go against the roller. Worked for me; just had to replace the tape every two sessions as it became frayed and got loose.
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Nope, I have been using turbo trainers since the early 1990's and have never used a trainer specific tyre, they'll be fine (In the early days I used mountain bike knobbly tyres, which was an interesting and noisy experience!)
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Ifg you ride the trainer very often, get a cheap rear wheel and throw on a worn road tire. That way you can use the good rubber on the road where it counts, and won't need to swap tires or wear out your good tires.
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#30
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I actually did that. Unfortunately, the cheap wheel needs a slightly different rder setting than my road wheel does, so on days like today - 50 & sunny - I either don't ride outside or have to put my bike on a stand and adjust - and then readjust in a couple of days when it gets too cold for me to ride outside. My solution is to use a road tire when I use my (wheel-on) semi-smart trainer, but that's only one of several solutions.
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[QUOTE=philbob57;22426757]Unfortunately, the cheap wheel needs a slightly different rder setting than my road wheel does, {/QUOTE]
You can fix that with the addition of a spacer.
You can fix that with the addition of a spacer.
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#32
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All I use is old tires I don't trust on the road much anymore. BUT, before you use an old tire you have scrub the tire clean, then check for any imbedded stuff in the thread and get that stuff out of the tire, dirt and stuff imbedded in the tire will scratch up the drum on a trainer.
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Gatorskins last almost indefinitely on my Kurt Kinetic Road Machine. I haven't kept detailed track , but I do know for certain that I'm only on my second one since joining Zwift, and I have 7k Zwift "miles"
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Tim
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All I use is old tires I don't trust on the road much anymore. BUT, before you use an old tire you have scrub the tire clean, then check for any imbedded stuff in the thread and get that stuff out of the tire, dirt and stuff imbedded in the tire will scratch up the drum on a trainer.
BB
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#36
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I too use tires not worth of road use and finish them off on the trainer. But the wear isn't a huge issue even on good tires really.
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However, if the trainer user has the trainer adjusted too tight against the rear tire, then it could wear out the tire fast, that's also how you find small bits of black rubber all over the area you ride in
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#38
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Also, there is a big black rubber mat under the trainer, so I might not notice black rubber dust.
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I suppose, but it hasn't been an issue. For quite some time (before I started measuring power with my pedals), I calibrated the trainer with the Kurt Kinetic app, doing a spin down test. If the wheel was too tight against the roller, the spin down test would be out of range (wheel slows too rapidly) and the app would tell me to reduce the pressure. Of course, if the pressure was too low, the tire would slip. So I learned the "feel" of getting it right, even though I no longer do spin down tests.
Also, there is a big black rubber mat under the trainer, so I might not notice black rubber dust.
Also, there is a big black rubber mat under the trainer, so I might not notice black rubber dust.
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Anybody with half a brain knows that as the tread of a tire wears down, the material that has worn away is now in tiny bits.
Neither the flux of rubber dust nor the rate of tire wear in my set up are troubling me.
Have you got any other excellent advice?
#41
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Why would I do that? To create a problem that I don't now have?
Anybody with half a brain knows that as the tread of a tire wears down, the material that has worn away is now in tiny bits.
Neither the flux of rubber dust nor the rate of tire wear in my set up are troubling me.
Have you got any other excellent advice?
Anybody with half a brain knows that as the tread of a tire wears down, the material that has worn away is now in tiny bits.
Neither the flux of rubber dust nor the rate of tire wear in my set up are troubling me.
Have you got any other excellent advice?
#42
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It's arrogant of you to think you might have any help to offer, when I have evinced no problem in need of your supposed wisdom.
#43
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#44
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#45
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Now, the GP5000 tires on the Kurt just makes a shiny smooth strip on the middle of the tire, no wear.
I only turn the tension knob enough so that the tire doesn't slip with a hard seated effort. (that's 1.5 turns of the knob--I stuck a piece of color tape on the knob to make counting the rotations easy.) And I use 10 psi more than when riding outside. If I tried standing up and sprinting, it would likely slip, but that's not too useful on this trainer anyway.
Last edited by rm -rf; 03-10-22 at 11:10 PM.
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#46
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I have never seen the dreaded bits-o-rubber on the floor around my trainer. Two plans:
1-use an old tire, so if it wears, who cares.
2-use your regular tire on the trainer in the winter. When it warms up outside, put the trainer away, put on fresh tires and go outside.
1-use an old tire, so if it wears, who cares.
2-use your regular tire on the trainer in the winter. When it warms up outside, put the trainer away, put on fresh tires and go outside.
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Yeah, my old Kurt Kinetic doesn't destroy my tires either. Years ago, I had another trainer and a MTB and some smooth tread mountain bike tires. Every trainer session ended up with lots of sand sized granules of black rubber ripped out of the tire tread.
Now, the GP5000 tires on the Kurt just makes a shiny smooth strip on the middle of the tire, no wear.
I only turn the tension knob enough so that the tire doesn't slip with a hard seated effort. (that's 1.5 turns of the knob--I stuck a piece of color tape on the knob to make counting the rotations easy.) And I use 10 psi more than when riding outside. If I tried standing up and sprinting, it would likely slip, but that's not too useful on this trainer anyway.
Now, the GP5000 tires on the Kurt just makes a shiny smooth strip on the middle of the tire, no wear.
I only turn the tension knob enough so that the tire doesn't slip with a hard seated effort. (that's 1.5 turns of the knob--I stuck a piece of color tape on the knob to make counting the rotations easy.) And I use 10 psi more than when riding outside. If I tried standing up and sprinting, it would likely slip, but that's not too useful on this trainer anyway.
#48
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I have been using the same 28mm GP5000 for over a year (2000 miles on my wheel-on Kickr Snap) and haven't noticed any sort of accelerated wear or unusual amounts of rubber/dust coming off. The tire still looks to be in great condition.
Every time this topic comes up on this board I walk away super confused... maybe y'all are laying down considerably more watts than me?
Every time this topic comes up on this board I walk away super confused... maybe y'all are laying down considerably more watts than me?
28mm GP 5000 run at 80psi on a carbon wheel (yep...) with roughly 2.5 turns on a Kickr Snap. I get zero slipping, though I typically don't exceed 600-700 watts. I'm not much of a sprinter I guess.