Hi All -

I have an old american road bike that i am converting to fixed gear and the one piece cranks need to be replaced as it is increasingly hard to find pedals with a 1/2" thread (and they are pretty well rusted out).

At any rate I have never encountered his situation before so I am looking here for help or to at least be pointed to an appropriate resource.

The BB measures ~50mm inside diameter and is ~68mm long and threadless.

I am pretty sure it is possible to convert these over to a 3 piece crankset relatively easily - I already have a spare set of cranks for a square taper BB but I guess I need help with the proper sizing and where to get what I need.

The cheaper the better - this project has already gotten more expensive than I had initially budgeted.

Thanks for all your help in advance!!!

-d