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What happens if your Wahoo Kickr breaks and you keep riding it?

Kevin Biggs managed to get a cheap Wahoo Kickr that the original owner had listed as damaged and needing repair.

This Kickr had suffered the classic loose woodruff key which led to lots of banging and clunking when the trainer was used. The loose key means that the bearings can move in a way they aren’t meant to, which means they eventually fail.

The following images and words are from Kevin.

The guy ran the trainer for me and it had the usual clonking noise. When I got it home and the cover off it wasn’t obvious what the problem was. I had to hammer the fly-wheel shaft through using a sacrificial bolt screwed in to hit.