Don't worry - all cable stops have a round hole in them. I guess they flatten the sides of the posts because it isn't really necessary given the way the forces act. You should be fine.
@Butters 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.
Don't worry - all cable stops have a round hole in them. I guess they flatten the sides of the posts because it isn't really necessary given the way the forces act. You should be fine.