New Wahoo Kickr damaged my 2020 Emonda after just -20 seconds spinning

UPDATE I contacted Wahoo and they were very supportive, though we couldn’t figure out what I did wrong until I took my bike in to Trek (who verified it was just some paint chips on the inside of the frame). While there, the rep showed me what I did wrong: I used the Wahoo axel instead of the axel that already was on my bike. That, along with flipping the adapter, he showed me how to do it, this would have been averted. My only beef at this point is that I wished the instructions made it more clear as to what bike needs their thru axel, and what needs your own + adapter. (ultimately, I am to blame for not being thorough in following and reading the directions). I was overconfident it would be an easy install. The way it is advertised is that the set up out of the box should fit with ‘most’ modern road bikes, which I had. Anyway - the damage is cosmetic, though ugly in the pics, it is now cleaned up and touched up. The bike is on the trainer, and it is working very smoothly. I’m just happy that Trek demonstrated how to install the bike and recommended I give Wahoo another shot. So 2020 Emonda is compatible for those of you who may have been doubtful after reading my initial post.

Wahoo hooked me up with a training mat and a heart rate monitor. They were very helpful to deal with.

ORIGINAL POST: I thought I read enough info about installation, and I understand the 2021 Emonda is not compatible. But nowhere can I find that the 2020 model, which I own is not. The thru axel seemed bit short, but I figured I wasn’t pressing the lever flush enough. I got on the bike and spun for less than 20 seconds, maybe 10. The pedals seemed hard to move so I got off to re-examine in the morning.

To my surprise after taking my bike off the trainer, I find this chipped paint and scratching around the drop outs. Now what do I do? Can this be fixed? IMG_4572|640x480 IMG_4574

Yikes…I had been using a 2021 Emonda on the Kickr for the past month and I had no idea…

sorry for your loss.

Yes, a few seconds is all it takes. I can only guess that they may handle it under crash replacement. I have no idea though. This is one of the reasons why I use a beater on the trainer. You just never know.

Thank you. Literally, just a few seconds of trying it. Ugh. There was no way of me knowing what was normal or not as I’ve never tried a Kickr before…

Looks cosmetic, if so can be repaired far cheaper than replaced


I agree. Looks cosmetic to me too.


Bummer. When I got my new carbon framed bike, the guy at the LBS said I shouldn’t use it on the trainer. Sounds like it was good advice.

My old aluminum frame bike is the one I use for the trainer now.

Looks cosmetic. Hopefully the shop can touch it up a bit. What Kickr was it?

Sorry for your loss. I would be pissed too, can’t blame you for that. I do think it can be fixed but not easily. You can touch it up with color matched paint inexpensively but if you are particular about your gear you probably will never be happy with it. Wahoo won’t help you. If you have a great relationship with your Trek dealer they might be able to swing something for you but I wouldn’t get your hopes up there either.

I have a dedicated trainer bike and it has similar damage to it. It’s been like that for 5+ years and is still going strong. It’s ugly but stable and not getting any worse over time.

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Throw some nail polish on it and rock on


Agree with others; mainly cosmetic. Did you use a Roberts axle? That’s the way to prevent this.

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Thank you. I do have a good relationship with my Trek dealer. I’m pretty regular at their shop and have bought two bikes (Emonda SL6 and Domane SL 7) this year plus tires, gear, bike fit, etc. And they all know me in there.

They told me to bring it in to make sure there’s nothing structural, (in which case they might do something for me I inferred, or at least that it would be possible), or if it’s just a few paint chips, they would help me choose the right nail polish, and set me up with that. So I’ll see next week when I bring it in.


If it’s nothing structural it can be repainted. You can just touch it up yourself with the closest you can find (after using clear nail polish), use a specialist service, or (tip) use a performance car paint shop. The latter are often cheaper than bike repairers. This:

Was fixed so you couldn’t tell

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To an emonda owner, this is just painful to see. Hopefully he recovers well.

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It’s the latest Kickr v.5 that did this. Trek says to bring it in and they’ll help me with the touch up, or see if it’s more than cosmetic. (in which case maybe Trek can do something else for me but will have to see when I bring it in).

@Toulouse: The chips on outside of driveside chainstay isnt from Kickr right?
@stevemz: Is your Emonda fine? I have an incoming Emonda…

Thankfully Trek will take a look and see what they can do. Looking at the pictures I sent, they mentioned nail polish that they could help me with. (or to see if it’s more than cosmetic) I don’t think it is, I just think it’s chewed off paint.

I’d love to see an after pic of the one you posted. Did you use a paint shop to fix yours?

The damage looks strange to have come from a thru axle setup, being in the outside of the dropouts like that. Fingers crossed for you that it is only cosmetic and can find a close paint match.

I recently bought a 2021 Domane SL5 and wasn’t used to the strength of the RD. After a few days of owning it I ended up chipping the paint on the underside of the chainstays taking the rear wheel on and off. Needless to say I was pretty upset with myself. Still need to find a paint to match, but I feel your pain.

I’m not sure. I’m away from where it is right now. Sounds like probably not :grimacing:

I skipped the word “it” in this sentence when I read it first. Actually, I endorse that advice too.