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The ultimate chainset is the carbon record 10 speed.
Are you referring to the square taper version? As I've already got two of these on other bikes. But they're both beer can shimmed on the taper, as I've found the cranks eventually work themselves loose.
I thought the external bb were more reliable?
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External bb are not an upgrade over square taper. Certainly not as reliable.
A slight veering off from original post but what is your opinion on press-fit bottom bracket cups?
I instinctively do not like the idea, I think something as crucial as a bottom bracket should be screwed into the frame and not be an interference fit.
Ultra torque is adecent system but no more reliable than square taper. The ultimate chainset is the carbon record 10 speed. Got two of these and they are light at 560g, add a record bb at 190g. For me thats perfection.
Alot of shop will shy away or charge a permium for facing/chasing bb threads in ti frames as it very hard on the tools. Yes a shop needs to do it unless you want to spend hundreds of pounds on the tools needed and you will good ones for a ti frame.
External bb are not an upgrade over square taper. Certainly not as reliable.