Lightweight Bottom Bracket

Re:

What's lightweight to you, most lightweight will cost £££ as they are Titanium.

A un55 is lightweight compared to the rest in the in line, doesn't cost a lot either.

But it's not what I class as lightweight.
 
I happen to know that a 68-113 UN55 is 240g (that's on my scales), which is pretty light for £12. If that's not quite as light as you were hoping for, I'd recommend saving the weight somewhere else maybe. I found that BBs are not a cheap place to save weight off a bike.

Next cheapest/lightest option I found was JIS this carbon shell one from velodrome. I think the 110mm size JIS is 220g, but not sure if that size would be suitable.
 
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