Adjustable chain-line bottom brackets

[mvd1974]

I use an old 90's White Industries. These were designed with a flowting axle, no shoulder on the axle. The cups are always completely in the frame and the axle can be fitted as you like. More to the right or left. It's adjusteble over 5mm or something like that, depending on the axle length. It's tightened by some alu rings that clamp on the axle to hold it in place.

Is this what you mean by 'adjusteble BB' ?

I know there were some other brands that designed something simular, but the White Industries is (as I think) the most easiest one to adjust. As I reckon, McMahon made something like that also.
The AC mentioned earlier, works the same way.

Here is a link to a page that explanes the White Industries:
http://www.bikepro.com/products/bottom_brackets/whitet.shtml

 

[knobby]

Thanks for that mvd. What's prompted me to ask the question in the first place is that I was given a rear wheel, undished, with a hope hub carrying a single gear freewheel. This was the catalyst for me to finally build a singlespeed.

If I use this wheel there's no scope for chainline adjustment at the rear, so I need to get some movement at the bottom bracket, hence the enquiry about sideways adjustment.

While I've been looking into it I've realised that MTB singlespeed conversion throws up other clearance issues. For instance, I'd like to go with road gearing, but it looks as though big rings and MTB chain-stays don't like to mix, which only adds to the chainline woes.

I might have to ditch my lovely wheel and go with spacers on a geared hub after all.

 

[JPSWY]

Nobody appears to have heard of the TA Randonneur, I`ve had one on my bike since I built it in the 60`s.