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Yeah it's the same bike. I've seen the praxis works converter, and love the concept, I just don't love the price. Their website seems to hint that you shouldn't really attempt to replace the bearings in the converter, you should just replace the whole converter unit. Do you know of that's true, or once I've bought the converter can I just replace the bearings as they wear out?
hazzelfrazzel-
It is "nice but pricey", I suppose it depends how much you value a silent BB?
I'd be inclined to take their word for it regarding bearing replacement, but BB aren't something you replace frequently: two/three years?
Knocking an adaptor out won't do your BB30 bearings any good, so you'd be advised to replace them at the same time and every time you change them the tolerance of the shell will deteriorate.
So you need to add up the cost of BB30 bearings + adaptor + time & trouble vs. a convertor and make a judgement based on that.
Scilly.Suffolk
Is this the Winter bike with the creaky BB you mentioned in your first post?
The creaking is likely from the interface between the adaptor and the BB30 bearings, rather than the adaptor bearings being shot.
Regardless of which I doubt the adaptor's bearings are replaceable, ie you would replace the whole adaptor.
If you are using 24mm cranks, you'd be better off with a Praxis Works convertor BB: it's a much better design as a) the two parts are threaded together so will be aligned and b) it replaces the BB30 bearings so there is no interface to creak, hence why they call it a "convertor" rather than an "adaptor".
In order to remove the BB30 bearings, you'll first want to remove the adaptor: fingers crossed it wasn't bonded in by a previous owner, in an attempt to solve the creaking...