Originally Posted by Medic Zero

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FWIW, I tried the Batavus one, and ended up removing it a few months later as it was ineffective. Any real load on the front rack overpowered it and the front wheel flopped anyway. It appeared to be designed so that you could overpower the lock so that you didn't cycle away from a halt with your handlebars locked and unable to maneuver. Unfortunately, this overzealous safety measure made the whole thing basically useless.

If for some reason someone still wanted to try that one, even with the above knowledge, you should also know it's just half a headset, the upper half. If your old headset is toast, you'd still need to source a lower.

I realize this doesn't address the OP's problem, but since that product came up in this thread I felt like I should share my experience with it, particularly when I posted about it last year before I got it, no one had ever used one here before.