Originally Posted by
pumpkinhed
Thanks so much for the detailed info SoSmellAir! The 1x8 might work and is something I should consider. Cranks are riveted so will need a change, and I'm with you on the opportunity to upgrade the BB. Much appreciated!
You can just drill through the rivets and reattach the middle chainring with whatever bolts work. This might also allow you to fine tune chain line with washers for spacers or whatever.