Best budget bottom bracket

I use second hand UN72s (I've got 2 around 30 years old, seem to be very very durable, can't wear them out) or new Tange LN7922s which are probably the closest modern equivalent.
 
I've bought a Tange LN7922 on the Bay (via accepted Offer) to begin the stock pile and a UN71 on here to get the ball rolling on my current build.. :)
 
I've bought a Tange LN7922 on the Bay (via accepted Offer) to begin the stock pile and a UN71 on here to get the ball rolling on my current build.. :)
A retrobiker can never have too many square taper bbs.
I could probably put my hands on 100, which means I can usually find the right length/taper/width/threading...
And it takes up a lot less space than the 100 wheels🙄
 
A retrobiker can never have too many square taper bbs.
I could probably put my hands on 100, which means I can usually find the right length/taper/width/threading...
And it takes up a lot less space than the 100 wheels🙄
I agree entirely - can't believe it's taken me this long to start collecting them.
As for wheels, I only have about 4 sets and I've maxed out my available space!
 
I really regret not buying more un55 bb's when they were still available. I bought what I could when the news came they were being taken out of production.
Tell you what though, the current un300 has replaceable cartridge bearings👍
So could potentially last for ever!

Size choice is slightly restricted😪
 
Tell you what though, the current un300 has replaceable cartridge bearings👍
So could potentially last for ever!

Size choice is slightly restricted😪
From what I hear, they fall apart within a year. Not sure if replacing the bearings will help. I would rather replace the bearings in a Phil Wood...
 
From what I hear, they fall apart within a year. Not sure if replacing the bearings will help. I would rather replace the bearings in a Phil Wood...
Axle and cups should be good for ever - they just come with bearings shimano consider adequate at the "300" level.
Once they are replaced with something better...
 

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