For road 1x I think I should be looking to go 50 - 11/39. Looks like the OPI only goes up to 45t
@hypercolour 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.
For road 1x I think I should be looking to go 50 - 11/39. Looks like the OPI only goes up to 45t