I've done that also. If you look in the photo album 'cool seat' my V-rex
clone was made that way. Just look for a bike with a downtube of the dia you
need. I just picked up a mongoose bmx with a 1-3/4" downtube. Would make a
good boom for a bentech.
>From: "Robert" <robertwb@...>
>
>Well not for a bentech but both my homebuilts have BBs that were cut from
>donors
>
>Robert
>