What would be the way to do a 1x Di2 on a bike that isn't Di2 ready?
powerdrill
@Jaap 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.
What would be the way to do a 1x Di2 on a bike that isn't Di2 ready?