How are you going to machine it anyway? You'd need a lathe with a hell of a big swing! and if the rims aren't absolutely true to start with you'll lose too much thickness.
@user54605 started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
How are you going to machine it anyway? You'd need a lathe with a hell of a big swing! and if the rims aren't absolutely true to start with you'll lose too much thickness.