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I've seen a few things about 30mm bearings in a BSA shell being small and not durable.
The Rotor BSA30 bearings are fine. They're standard Bb30 bearings but outboard. I'd go with 3d+.
Brommers-
Would only need the P2M spider if I stuck with 3D24. Any real upsides to 3D+? Such wattage, etc.
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Are they? If that's the case they seem expensive for what should be pretty common. Maybe I'm just used to wheel bearing prices. I seem to go through them and ended up just swapping out the whole thing for Wheels Mfg BB.
croft
hippy
I've seen a few things about 30mm bearings in a BSA shell being small and not durable. Assume this is hogwash.
What is the difference between 3D+ and "true" BB30? Supposedly BB30 isn't the correct length for BSA shells but 3D+ is? Trying to avoid spacers etc. at all costs.