Originally Posted by
Tourist in MSN
Your triple crank, being from that era I suspect it has a road triple crank with a 52T big ring. And probably cup and cone bottom bracket. The bottom bracket should be re-greased if it has 1980s vintage grease. Most of us now tour with a big ring no bigger than 46T.
My big ring is already 48, and I have a sealed Phil Wood Bottom Bracket. I didn't want to mess with the BB on a tour. I replaced the bearings comparatively recently.