C&V bike and trainer - OK?
12-28-10, 09:34 AM
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C&V bike and trainer - OK?
I got an Elite trainer for Christmas and mounted my vintage gem made of Reynolds 351 steel. When training I feel and see the flex on the frame. I wonder, can I expect some certain strain or tension on the frame? Could it in some way damage the old frame? Maybe I´m over cautious, but I really dont want to hurt that bike...
12-28-10, 09:36 AM
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I wouldn't worry about it personally, although I did know I guy who claimed to have broken a few frames in trainers, all steel.
He's a bit bigger and more than a bit stronger than me.
He's a bit bigger and more than a bit stronger than me.
12-28-10, 10:00 AM
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I have an old steel frame which I use on the trainer. I think you should not worry too much.
You SHOULD be careful with your sweat though....that may cause rusting problems if you don't wash it off.
You SHOULD be careful with your sweat though....that may cause rusting problems if you don't wash it off.
12-28-10, 10:35 AM
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12-28-10, 10:36 AM
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12-28-10, 10:47 AM
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Bikes take more abuse out on the road than they do on a trainer.
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12-28-10, 11:56 AM
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+1 The OP's bike probably flexes just as much on the road, but you can see it since you're moving and balancing with it. Just make sure not to clamp it too tight or too loose, and use a cheap rear skewer so you don't scuff up the good one.
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12-28-10, 02:14 PM
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homebrew & urbanknight: that sounds reassuring! I gathered the flex to be more visible in the trainer since you get the opportunity to stare at it. I was a bit unsure if older steel construction could hold the static position. Reynolds 351 respond pretty differently to different riders and I´ve never thought the material to be flexy or nervous. Thanks for your inputs!
12-28-10, 02:35 PM
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I can't find it anymore, but someone once posted a slow motion video of a track sprinter (I believe on a 351 steel frame) and the flex it produced was awe inspiring. Here's the closest I can find today.
https://www.youtube.com/watch?v=nEYJfQpq_oQ
https://www.youtube.com/watch?v=nEYJfQpq_oQ
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12-28-10, 05:40 PM
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Are you sure that's 351 and not 531? In any case, my Ishiwata 022 based Trek TX-500 holds up just fine. And it's 33 years old.
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12-28-10, 07:01 PM
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I doubt the bike flexes more on the road than it does on a trainer. In many situations, the bike sways left/right as you're pedaling when on the road, where on a normal trainer it has no chance to sway. Your body weight and forces are spent flexing the frame rather than swaying it.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
12-29-10, 02:34 AM
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12-29-10, 02:37 AM
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I doubt the bike flexes more on the road than it does on a trainer. In many situations, the bike sways left/right as you're pedaling when on the road, where on a normal trainer it has no chance to sway. Your body weight and forces are spent flexing the frame rather than swaying it.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
12-29-10, 02:41 AM
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urbanknight: top video! Shows exactly the flex and strain on the frame. I feel worse again! I´ll reconsider my choice of bike for the trainer.
12-29-10, 02:59 AM
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I doubt the bike flexes more on the road than it does on a trainer. In many situations, the bike sways left/right as you're pedaling when on the road, where on a normal trainer it has no chance to sway. Your body weight and forces are spent flexing the frame rather than swaying it.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
I'm sure going down a rough road or hitting bumps has its own set of extreme forces, but they aren't the same as the flexing you'll get on a trainer.
12-29-10, 04:51 AM
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Trainers were invented before there were aluminum or carbon bikes ...... and our bikes did not explode when we rode them on trainers.
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12-29-10, 06:56 AM
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Assuming equal actions on each, you're probably correct, but I'd bet the OP isn't doing all out standing sprints on the trainer. Still, even if he is, I know it won't damage his frame.
Javal: The video was supposed to show that frame flex is ok, not shy you away from it.
Javal: The video was supposed to show that frame flex is ok, not shy you away from it.
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12-29-10, 08:23 AM
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I saw the trainer flexing more than anything in that video....
Although when I'm on my Tricross on the Rock and Roll, there is lateral flex in the BB area
Although when I'm on my Tricross on the Rock and Roll, there is lateral flex in the BB area
12-29-10, 09:16 AM
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My 20 year old Marinoni with Columbus SL tubing has seen hundreds of hours on the trainer. Between that and a few crashes it's still straight and strong.
Honestly you're over thinking it.
Honestly you're over thinking it.
12-30-10, 02:34 AM
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Guys, I know I´m over reacting. But thats part of my addiction or obsession with my C&V bike. It wont pass over. All the same, loads of good opions here and the trainer will be very useful during off-season!
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