You are reading a single comment by @badboybjorn 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.
@badboybjorn
55, 72,5 och 89 those are short to long and its the distance in mm between the center of both pulleys.