You are reading a single comment by @arup and its replies.
Click here to read the full conversation.
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.
@arup
I've measured the Open Pro ERD as 604mm and it's the measurement that I use for all my calculations. Got the figure stuck in my head as I build so many Open Pro's.