You are reading a single comment by @_JD 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.
@_JD
The cog in the back is about 5cm in diameter.. Don't know what that relates to in cycle speak.
How about large cranks? Is that a good idea?