Both are great quality sprockets, the EAI ones are slightly more expensive, and available in bigger sizes (19t, etc).
@Roberto 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.
Both are great quality sprockets, the EAI ones are slightly more expensive, and available in bigger sizes (19t, etc).