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aluminum frames on trainers(4 posts)

aluminum frames on trainerspasta4breakfast
Sep 11, 2003 10:51 PM
Sorry but I missed the whole argument for and against using an aluminum frame in a stationary trainer. Friends say I'm weakening my frame when it flexes in the trainer, cause flex while road riding is different from flex while "bolted" on a trainer. Am I shortening the life of my frame?
re: aluminum frames on trainersLC
Sep 12, 2003 9:00 AM
Ever since I looked down closely and saw my bike twisting and bending while on the trainer pushing a fairly hard gear, I would not put a expensive aluminum bike on a trainer. I don't have any scientific basis to back it up, but it sure looks harsh on the bike. Grab a cheap steel bike and stick that on a trainer.
You need to read about "Plastic Deformation" in metals.niteschaos
Sep 12, 2003 10:30 AM
And about fatigue properties of aluminum versus steel.
Ditch the trainer. . .MisJG
Sep 12, 2003 10:47 AM
get some rollers. I gotta believe rollers are easier on the bike than a 'bolted-to' trainer. They'll train your form too! Nothing like getting on pavement after a winter of riding the rollers!