Is It OK to use a Carbon Frame on a Home-Trainer During the Bad Weather in the Winter?


Barry has the top quality Kuota Khan Carbon framed bike and wants to know if it is OK to use it on his home-trainer during the bad weather in the winter? This is what we think:

Question: Is there any problem to use my Kuota Khan Carbon fibre with a home-trainer (Blackburn Tech Fluid)? Thanks, Barry.

Carbon Frame on a Home-Trainer

Hi Barry, A carbon frame is as strong as any other material so it should stand up to rigors of a home-trainer. The Blackburn Fluid gives a nice smooth ride which takes some of the strain away from the frame.

The difference between using a home-trainer and riding on the road is that the bike is clamped at the rear axle, so there is no suspension from the rear wheel as on the road, so there maybe more stress on the rear of the bike and through the frame than when riding on the road.

If you are worried about damaging your good bike, then try to find a cheap second hand bike that you can leave on the trainer and also not worry about any problems.

When using a home-trainer always dry off the bike where you have sweated on it, taking special care around the head set and stem area as this is where the sweat will cause the most damage. The sweat will work its way into the bearing of the head set and also corrode any of the stem bolts if they are steel.

The sweat will not corrode the carbon, but if you had a steel frame it will rust through eventually. I use my Scott carbon frame on a home-trainer and don’t worry about it.

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  1. David

    I’m somewhat, uncomfortable with the old bike setup.
    Even if I settle for the frame that I really don’t care for,
    I have to have decent components !?
    Maybe a singlespeed ? I don’t know…

  2. Mychal

    An old bike is the right answer(same size). The important factor is to replicate the cockpit set up. Same type bars(road, mountain, touring), fit dialed in, stem, and seat position (using the same seat helps your butt on the trainer and on the bike in the spring). Any of these are off and your introducing discomfort / medical issues.

    My $.02

  3. Niall McAra

    Buy yourseld a cheap aluminum or steel bike for the trainer. If you race or ride a lot carbon fatigues quickly especially some of the noodles that are made these days.Whats the point in having a claimed frame weight of 700gr when 300 of it is in the fork. Not a balanced bike. Ask the Jean dela tour team the first time they rode their scotts down a serious descent.
    Just watch how much your rear wheel moves on the trainer while the bike is clamped down. All that twisting motion is sent to the bottom bracket and top of the seat tube via the stays.

  4. Julio Monroig

    It is safe until you do not make REALLY HARD stand-up training like doing in spinning class. Because you frame is hold in the rear axle all the stress during the stand-up “climbing type” pedaling is transferred directly to the rear end “joint-weld-glued-mold” areas in the frame and bottom bracket. When you’re in the road this force was transferred and distributed to complete bicycle rear area that included the wheel spokes, rim, tire, etc. The other situation is because it’s in stationary “hold” permanent position you will continuously repeat the stress in the same matter (place, frequency and force), different of the road when the stress was random and distributed in different areas/components of the bicycle and this can weak your frame joint areas. If you’re really STRONG and HEAVY weight rider can damage your frame. Sorry for my English, my first language is Spanish.

  5. Rich

    Your input on this issue was welcome as I’ve wondered much the same thing (and have used a low quality steel frame on the trainer and rollers for years)
    This past season several members of a cycling club I belong to, began encountering drop out breakage on the front forks of their titanium and carbon fibre bikes.
    The cause seems to be connected to the use of floor mounted bike stands in the beds of their mini vans, SUVs, and pick up trucks.
    The bike is held upright mainly by the skewer setup mounted to a piece of wood and was allowing the bike to ‘rock’ putting stress on an area stress would normally not occur.
    The result was dropouts breaking off the forks.

    • Thanks to every one who has written in on the subject of home-trainers and which bike to use or not to use.
      I think an old bike for just the trainer is the best method.

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