Mechanics and Fixing Any Questions Answered

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Donat

kona dew, circa 2010 ish.
the steerer is a bit rusted, and the headset cap isn't coming off.
I'd expect to see the split cone ring here right??
the middle area of the cap is metal, the cover is plastic. the plastic outer turns, but the inner ring stays stuck to the steerer.
done a bit of the hammer and block of wood routine, no effect.
any ideas?

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coventry_eagle in reply to @Donat

It's a chamfer ring which sits on top of the top bearing cap.

I'll use lots of GT85 on it then hot water, push down the steerer with a handle bar attached to a stem and it sh should come off.

Resist the urge to hammer the steerer even with a sacrificial top cap, it might deform the top of the steerer and makes the headset removal even more difficult.

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Donat in reply to @coventry_eagle

thanks, i'll try the penetrating oil + heat tomorrow.
what's throwing me is there's no split in the ring.

I've narrowed it down to 2011 kona dew, and the specs only say "CH" when it comes to the headset spec. trying to find a manual or something is not super easy as a result. does CH mean something?
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MCamb in reply to @coventry_eagle

Resist the urge to hammer the steerer even with a sacrificial top cap

I learnt this the hard way. I think it should be fine with a rubber mallet though (plus the oil and hot water you mentioned)

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