If you're going to paint it, I'd go for getting some bottle bosses put in from someone like this especially for £20 Alternatively Topeak do something like this:
But it's not pretty
@Miitch 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.
If you're going to paint it, I'd go for getting some bottle bosses put in from someone like this especially for £20
Alternatively Topeak do something like this:
But it's not pretty