Carbon Bike on Trainer....... Safe?

A light bike doesn't replace good fitness.

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BikeAnon
Posts: 395
Joined: Sun Mar 02, 2014 6:36 pm
Location: NY USA

by BikeAnon

Here's my writeup. For me, it was a first-time job. It turns out carbon fiber repair is no longer in the "wizard" or "rocket science" realm. Inexpensive materials and lots of online resources make it a DIY job, that can be handled at home.

viewtopic.php?f=3&t=145378



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bestazy
Posts: 2
Joined: Sun Jan 21, 2018 6:37 pm

by bestazy

Add me to the list of those whose carbon bike failed on a trainer. Snapped a chainstay while on a climb. The manufacturer would not warranty it :(

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stockae92
Posts: 256
Joined: Fri Sep 25, 2015 5:13 pm

by stockae92

bestazy wrote:
Sun Jan 21, 2018 7:51 pm
Add me to the list of those whose carbon bike failed on a trainer. Snapped a chainstay while on a climb. The manufacturer would not warranty it :(
seated or out of saddle? rocking the bike side to side much? how much power where you putting out?

tmr5555
Posts: 287
Joined: Tue Jan 28, 2014 12:13 am

by tmr5555

a dude in my cycling group broke the headtube of a scott addict, while attached to one of those wheelless elite trainers.
He was sprinting.

AlpeDHuez
Posts: 4
Joined: Wed Jan 17, 2018 6:44 pm

by AlpeDHuez

I was out of the saddle on a steady climb when my chainstay snapped, using the basic up-and-down motion that one uses on a trainer. As a lightweight rider (140lbs), I was putting out no more than 350 watts.

BikeAnon
Posts: 395
Joined: Sun Mar 02, 2014 6:36 pm
Location: NY USA

by BikeAnon

This thread makes me glad I have a steel LeMond in the stable.

waltthizzney
Posts: 197
Joined: Mon Jun 20, 2016 6:35 pm

by waltthizzney

know a local guy who did this to his cervelo

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stockae92
Posts: 256
Joined: Fri Sep 25, 2015 5:13 pm

by stockae92

I never felt having the rear drop out fixed at the trainer and ride out of saddle is a good idea, I only do seated ride on the trainer and have not break my carbon frame .. yet.

It seems to me for out of saddle effort, you are not only putting power to the crank, you are also twisting and turning the frame with the rear drop out fixed at one point, I don't think the frame is designed for that.

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